Countries with the Most Pets: What the Data Shows

Photo: Etkin Celep / Pexels
Ask which country has the most pets and you will get three different answers, depending on whether you count animals, households, or dollars. The United States leads on households and spending: the American Pet Products Association (APPA) counted 95 million pet-owning US households in its 2025 survey. Europe, taken together, reports 306 million pets. Japan offers the sharpest twist, with more dogs and cats than children. This article lays out the figures that can be traced to a named survey and year, and explains why global rankings so often contradict each other.
Key takeaways
- The United States has the largest verified pet economy: 95 million pet-owning households (APPA, 2025) and $158 billion spent on pets in 2024.
- Europe reported 306 million pets in 140 million households in 2024 data, which means 49% of European households have at least one pet (FEDIAF, published June 2026).
- In the United Kingdom, 62% of households own a pet, including an estimated 15.5 million dogs and 13 million cats (UK Pet Food and Kantar, January 2026).
- Japan keeps about 6.82 million dogs and 8.85 million cats (2025 survey), more than the 13.3 million children aged 14 and under.
- "Most pets" can mean the most animals, the highest share of households, or the most spending. The three rankings rarely agree.
Why "the most pets" has three different answers
A pet ranking is a bit like a ranking of the "biggest" cities. Biggest by city limits, by metropolitan area, or by people per square kilometer? Each choice produces a different list, and none is wrong. Pet statistics have the same problem, and most of the contradictions you see online come from mixing the measures.
The first measure is the head count, the number of animals living with people. It favors big countries: a nation of 1.4 billion people will usually beat a nation of 60 million, even if pet-keeping is rarer there. The second is the household rate, the share of homes with at least one pet. It tells you how normal pet-keeping is, and small countries can top it. The third is spending, which reflects income and how much care each animal receives, not how many animals there are.
These measures can pull in opposite directions. A household with four cats adds one to the household count and four to the head count. A country where dogs are cheap to keep and vets are expensive can show high ownership and low spending. Japan, discussed below, shows how a country can have a large pet market per animal while the number of animals stays flat.
| Measure | Question it answers | What it hides |
|---|---|---|
| Head count | How many animals live with people? | Multi-pet homes inflate it; strays are usually excluded |
| Household rate | How common is pet-keeping? | Says nothing about how many animals per home |
| Spending | How much is the pet economy worth? | Driven by income and vet prices, not animal numbers |
| Per-capita density | How many pets per 1,000 residents? | Sensitive to household size and age structure |
The verified numbers, side by side
The table below lists only figures tied to a named source and year. Gaps are deliberate: a number with no traceable survey is worse than a blank.
| Place | Pet-owning households | Animals | Source and year |
|---|---|---|---|
| United States | 95 million | Not stated on the APPA page | APPA National Pet Owners Survey, 2025 |
| Europe (41 countries) | 140 million (49%) | 306 million pets | FEDIAF, 2024 data, published June 2026 |
| United Kingdom | 62% of households | 36.5 million pets, including 15.5 million dogs and 13 million cats | UK Pet Food and Kantar, January 2026 |
| Japan | Not stated in the summary | About 6.82 million dogs and 8.85 million cats | Japan Pet Food Association, 2025 survey |
Two cautions apply to every row. First, these are survey estimates, not censuses: nobody counts every cat. The UK figures, for example, come from an online survey of 8,951 adults and are rounded to the nearest 100,000. Second, the rows are not directly comparable. The US row counts households, the European row mixes species, and the Japanese row counts only dogs and cats.
Large markets such as China, Brazil, and India are missing from the table on purpose. The figures that circulate for them come from industry estimates that blend owned and free-roaming animals, and they cannot be matched to a stated survey and year here. If a ranking you find elsewhere gives a precise count for those countries without naming the survey behind it, treat it as a guess.
The United States: most households, most spending
The APPA's 2025 National Pet Owners Survey puts the number of US households with a pet at 95 million. That is a household count, so it says how many homes have a pet, not how many animals there are. APPA also reports that Americans spent $158 billion on their pets in 2024 and projects $165 billion for 2026.
The spending breakdown is more informative than the total. Food and treats are the largest category, but veterinary care is a big second, which says something about how Americans treat animals: as dependents who receive medical care, not as animals that are fed and left to look after themselves.
| 2024 US pet spending category | Amount | Share of total |
|---|---|---|
| Pet food and treats | $68.3 billion | 43.2% |
| Veterinary care and product sales | $41.0 billion | 25.9% |
| Supplies, live animals, and over-the-counter medicine | $34.4 billion | 21.8% |
| Other services (grooming, boarding, training) | $14.3 billion | 9.1% |
Source: APPA, 2024 spending. Shares calculated from the published dollar amounts.
Divide the $158 billion by 95 million households and you get roughly $1,660 per pet-owning household. That is a crude average, because the spending figure includes purchases that never pass through a household budget in a simple way, but it is a useful scale. For comparison, the European pet food market, across 41 countries, was worth 29.4 billion euros in the 2024 data.
The share of spending that goes to veterinary care matters for a second reason. Pets that receive vaccinations, dental care, and chronic-disease management live longer, which pushes the pet population up over time even if fewer new animals are acquired. A rising spending line can therefore coexist with a flat head count, a pattern visible in the Japanese data below.
Europe: half of all households, 306 million animals
FEDIAF, the European Pet Food Industry Federation, publishes the most systematic continental count. Its 2024 data, released in June 2026, report 306 million pets and 140 million pet-owning households, 49% of all households in the countries covered. The report spans 41 of the 48 Council of Europe member states.
Divide 306 million by 140 million and the average pet-owning European household keeps about 2.2 animals. That average hides a wide spread: a household with one hamster and a household with three cats and a dog land in the same "pet-owning" bucket. The headline also covers every species the federation tracks, not only dogs and cats, so it is not comparable to a dogs-and-cats count like Japan's.
FEDIAF itself warns against comparing one year with another. In its own words, it advises "against making direct year-on-year comparisons" because the list of participating countries changed. That warning is the single best illustration of why pet trend lines are shakier than they look: a country joining or leaving the survey can move the continental total without a single animal being born or lost.
The industry side of the data is more stable. The 2024 data record about 8.6 million tonnes of pet food sold for 29.4 billion euros, which works out to roughly 3.4 euros per kilogram on average. That figure blends cheap dry kibble with premium wet food and treats, so it describes the whole market, not any one brand.
The United Kingdom: a pet in 62% of homes
The UK publishes some of the most detailed national pet data, through UK Pet Food's annual population survey, run by Kantar with Soulor Consulting. The January 2026 fieldwork found that 62% of households own one of the country's estimated 36.5 million pets.
Dogs and cats lead the list, but the minor species fill out the picture:
| Species | Estimated animals | Share of households |
|---|---|---|
| Dogs | About 15.5 million | 41% |
| Cats | About 13 million | 31% |
| Indoor birds | About 1.4 million | 2.7% |
| Guinea pigs | About 700,000 | 1.2% |
| Rabbits | About 500,000 | 1.1% |
| Fish (indoor tank) | Not stated | 13% |
| Fish (outdoor pond) | Not stated | 11% |
Source: UK Pet Food, 2026 survey (Kantar, 8,951 respondents, January 2026). Animal counts rounded to the nearest 100,000.
Notice that the percentages of households owning dogs (41%) and cats (31%) add up to more than 62%. That is not a mistake. Many households own both, or own a dog and a rabbit, so the shares overlap. This is the same logic as the head count versus household rate problem: you cannot add household shares to get a total.
The survey's own method note carries a warning worth repeating. Figures from 2021 onward should not be compared directly with earlier figures, because the survey's method changed. Anyone who quotes a UK "pet boom" by splicing the 2020 and 2026 numbers together is comparing two different instruments.
Online surveys have their own bias. People who answer online panels skew toward those comfortable with the internet, and pet-keepers who feel strongly about their animals may be more willing to respond. A figure of 62% with a sample of roughly 9,000 adults is a good estimate of the national picture, but it is an estimate, and the real value could sit a few points either side.
Japan: more dogs and cats than children
Japan's pet data tells a demographic story. The Japan Pet Food Association's 2025 national survey of dog and cat keeping estimates about 6,820 thousand dogs and 8,847 thousand cats, a combined 15.7 million animals. Japan's Statistics Bureau puts the population aged 0 to 14 at about 13,263,000 as of May 1, 2026, down roughly 353,000 (2.6%) from a year earlier.
So Japan has about 2.4 million more dogs and cats than it has children aged 14 and under, a gap of roughly 18%. The comparison is striking but needs care. It sets two different age brackets and two different measurement systems side by side, and it says nothing about how many households have either. Pets are not replacing children one-for-one: many pet-owning households also have children, and many childless households have no pet.
What the survey does show is how Japan's pet population has stopped growing. The association's summary says the dog count has stopped falling and is now flat: the share of households keeping a dog continues to decline, but the average number of dogs per household has risen, which offsets the loss. The cat count is flat as well, and the number of newly acquired cats stayed level in 2025. Cats outnumber dogs by about 1.3 to 1.
The same summary explains who is keeping animals and why, and the findings are about household structure, not just culture:
- Among single people in their 20s and 30s, starting to keep a dog is more often linked to wanting to widen social relationships than in the population as a whole.
- Among the same group, the reasons for starting to keep a cat are emotional: wanting to relieve loneliness and wanting something to give affection to.
- Among married people with children in their 20s to 50s, "for the children" is one of the reasons for keeping both dogs and cats.
- Higher household income goes with higher rates of dog and cat keeping, most clearly for dogs.
- People who kept animals before the age of 18 are more likely to keep pets as adults.
That last finding is a quiet but powerful mechanism. Childhood exposure to animals predicts adult pet-keeping, so a country where fewer children grow up around animals, because of smaller families and apartment living, tends to produce fewer future pet owners. It is a feedback loop that ranking tables cannot show.
Japan's situation links pet statistics to the broader population story. Countries with falling birth rates and many single-person households shape their pet markets differently from countries with large families. If that connects to your interest, the data on countries with the lowest birth rates and countries with the oldest populations provides the demographic backdrop.
Dogs and cats: where the animals came from
Today's pet rankings sit on top of a long history, and the history explains why dogs and cats dominate every national table.
Dogs have the deeper history. Genetic studies indicate that the ancestors of dogs diverged from wolves roughly 27,000 to 40,000 years ago, although that date is an upper limit on when domestication began, not a birth date for the first dog. The earliest undisputed dog remains, from the Erralla site in Spain, are about 17,500 years old. The Bonn-Oberkassel burial in Germany, dated to about 14,500 years ago, is the oldest known grave where a person and a dog were buried together. The location of the first domestication is still debated, with Central Asia, East Asia, and western Europe all proposed. The Wikipedia summary of dog domestication lays out the competing ancient-DNA studies. For the behavioral side of the partnership, see our explainer on how dogs understand humans.
Cats arrived later and on different terms. All domestic cats descend from a single lineage of the African wildcat, and genetic diversity peaks in the eastern Mediterranean and Levant, pointing to the Near East as the first region of sustained contact. About 9,500 years ago people carried cats to Cyprus, where wildcats do not live naturally; a cat buried beside a human skeleton at a Neolithic farming site there is the classic evidence. In Egypt, a cat from the Predynastic cemetery of Hierakonpolis, dated to about 3700 BC, had healed fractures, which suggests someone cared for it. The oldest genetically confirmed domestic cats in Egypt are mummies from roughly the 5th to the 1st century BC. Domestic cats reached China only around 730 CE, along the Silk Road, according to the Wikipedia account of cat domestication.
The slow, self-selected route cats took into homes helps explain why they suit modern small apartments. The archaeology points to house mice drawing wildcats toward Near Eastern settlements long before cats were anyone's pet, which fits a species that moved in on its own terms. If you want the broader biology of how species become domesticated, our article on how animals were domesticated covers the genetics and behavior.
What drives pet-keeping up or down
Across the verified data, a handful of forces recur. None is a law, and each has exceptions, but together they explain most of the differences between national tables.
Household income and housing. The Japanese survey links higher household income to higher rates of dog and cat keeping, especially dogs. Dogs need space, time, and money for veterinary care. Where apartments are small or leases forbid animals, cats and small species win.
Household structure. The Japanese findings show that single young adults and parents with children keep animals for different reasons. A country with many one-person households has a different pet market from one dominated by multi-generation homes. Falling fertility changes the pet market too, not only the number of schoolchildren.
Childhood exposure. People who had animals before 18 are likelier to keep them as adults. That makes pet-keeping partly inherited culturally, and it suggests that rates can persist for generations once established.
Veterinary access and cost. The US spending breakdown shows how much of the modern pet economy is medical. Cheap, accessible veterinary care raises survival and lengthens each animal's time in the count; expensive care pushes owners toward fewer or smaller animals.
Survey design. The least glamorous driver is also one of the strongest. Differences in who is asked, how, and when produce differences in the numbers that have nothing to do with animals. This is why comparing across countries is hard and comparing within one country across a method change is often worse.
A caution on causation applies to any claim that pets improve their owners' health. Research on pets and wellbeing is largely observational, which means it compares people who keep animals with people who do not. Healthier, wealthier, or more active people may be more likely to keep pets in the first place, so an association does not show that a pet caused the better outcome. This article reports ownership patterns, not health advice.
Free-roaming dogs and the rabies link
Owned pets are only part of the dog story. In many parts of the world, free-roaming dogs live alongside people without a single owner or a vaccination record, and this is where pet statistics meet public health.
The World Health Organization (WHO) attributes up to 99% of human rabies cases to dogs. Its model, based on the 2021 Global Health Estimates, attributes 44,203 deaths a year to rabies, and WHO notes this probably undercounts the true toll because surveillance is weak and cases are misdiagnosed. More than 29 million people worldwide receive a human rabies vaccine each year.
WHO's "Zero by 30" plan aims to end human deaths from dog-mediated rabies by 2030. As of September 17, 2026, WHO lists Bhutan, Chile, and Mexico as countries validated as having eliminated dog-mediated human rabies as a public health problem. The strategy rests on vaccinating dogs, which is why vaccination coverage in the dog population, not the number of owned pets, decides the outcome. For the biology of the virus itself, see our explainer on rabies.
This is also why a headline total of "dogs in a country" can mislead. A country with a high owned-dog count and strong vaccination can have almost no rabies, while a country with fewer owned dogs and many unvaccinated free-roaming ones carries most of the risk. The head count alone tells you very little about the second case.
How to read a pet ranking without being fooled
Because the field is full of weak numbers, a short checklist is more useful than any single ranking. Apply these tests to any table you find, including this one.
| Check | Good sign | Warning sign |
|---|---|---|
| Named source | A survey, association, or statistics bureau with a year | "Estimates" with no author |
| Survey year | Stated in the same line as the number | Mixed years in one table |
| Definition | Says whether it counts dogs, cats, or all pets | "Pets" with no species |
| Unit | Households, animals, or spending, stated clearly | A column that mixes units |
| Coverage | Says which countries or regions are included | Silent about missing places |
| Round numbers | Rounded to a stated precision | False precision, such as "50,000,000+" |
| Owned vs. free-roaming | Separates owned pets from strays | Totals that blend both |
The last row deserves emphasis. A table that lists every country with a figure ending in "000,000+" and a notable-breeds column looks authoritative, but if it cannot say where the figures come from, the confidence is cosmetic. Several versions of such tables have circulated for years, repeating each other's numbers without a primary source.
What this means for the rankings people expect
If you came for a single ranked list, the honest answer is that the verified data supports three smaller, more reliable statements instead of one big list.
On household reach, the UK (62%) and Europe overall (49%) are measured; the United States reports 95 million pet-owning households without a percentage on the page consulted. On animals per place, the UK's 36.5 million, Europe's 306 million, and Japan's 15.7 million dogs and cats are the figures with a named survey. On spending, the United States is the only market here with a category breakdown, at $158 billion in 2024.
Beyond that, you are comparing estimates built with different methods. That is not a reason to distrust all pet statistics, only a reason to match like with like. Species-specific rankings are covered in the dog and cat articles listed under Related Reading, and for a lighter look at feline biology, see the science of why cats purr.
Frequently asked questions
Q: Which country has the most pets? A: It depends on the measure. The United States has the largest verified pet economy: 95 million pet-owning households in the 2025 APPA survey and $158 billion in spending in 2024. Europe as a whole reports 306 million pets. No single source ranks all countries by animal numbers using one method and one year.
Q: Which country has the highest share of households with a pet? A: Among the sources reviewed here, the UK reports 62% of households and Europe overall reports 49%. The US figure is published as 95 million households, not a percentage, on the APPA page consulted. Other countries may be higher, but a fair comparison needs the same survey method in each place.
Q: Does Japan really have more pets than children? A: Yes, on one definition. The Japan Pet Food Association's 2025 survey estimates about 6.82 million dogs and 8.85 million cats, about 15.7 million together. Japan's Statistics Bureau counted about 13.3 million people aged 0 to 14 on May 1, 2026. The two figures use different age brackets and methods, so treat the comparison as illustrative.
Q: Are there more pet cats or pet dogs? A: It varies by country. In the UK survey, there are about 15.5 million dogs and 13 million cats. In Japan's 2025 survey, cats (about 8.85 million) outnumber dogs (about 6.82 million). Household counts add a wrinkle: one household with several cats counts once in a household rate but many times in a head count.
Q: Why do pet statistics from different websites disagree? A: They measure different things, in different years, with different surveys. Some count households, some count animals, some include strays. FEDIAF notes that even its own year-on-year comparisons are unreliable when the list of participating countries changes. A figure without a named source and year cannot be checked.
Q: Do free-roaming dogs count as pets? A: Usually not. Owned-pet surveys count animals that live with a household, while free-roaming dogs may have no owner or only informal care. WHO attributes up to 99% of human rabies cases to dogs, which is why vaccination coverage in the whole dog population matters more for health than the owned-pet count.
Q: Is pet ownership rising worldwide? A: The verified data here do not support a single global answer. Japan's dog and cat counts are flat in 2025, and FEDIAF advises against year-on-year comparisons for Europe. The US and UK sources give spending and ownership for one year each. Any claim of a worldwide boom needs a consistent series behind it.
The takeaway
The countries with the most pets depend on what you count, and the most reliable numbers come from surveys that say what they counted. The United States leads on households and spending, Europe's half-of-households figure shows how mainstream pet-keeping is, and Japan shows that a large animal population can stop growing as families shrink. The real lesson of the data is a habit: before you trust a ranking, ask for the source, the year, and the unit. Do that, and most of the confident-looking tables online fall away, leaving a smaller set of numbers that actually hold up.
Sources
- APPA: Industry Trends and Stats (2025 survey, 2024 spending)
- FEDIAF: European pet statistics (2024 data, published June 2026)
- UK Pet Food: UK pet population (January 2026 survey)
- Japan Pet Food Association: 2025 national dog and cat survey summary
- Statistics Bureau of Japan: population estimates
- WHO: Rabies fact sheet
Related Reading
Follow new articles
Add SciHub101 to your feed reader to see new science and technology stories.
About the Author
SciHub101 is an independent science and technology publication founded and edited by Buğra Sözeri, a software engineer and app developer based in Türkiye. AI tools assist with drafting and research. Source documentation in the existing archive is uneven, and articles are being reviewed and corrected. The Editorial Team byline identifies editorial responsibility; it does not certify specialist or independent human review. Where we compare products, anything built by our own team is labelled as such — see the editorial guidelines and About page for how corrections and disclosures work.
Related Articles

Countries with the Most Cryptocurrency Users (2025 Ranked)
India has the most cryptocurrency users of any country — 93 million crypto holders. The United States has the largest crypto market by value with $1 trillion+ in holdings. El Salvador made Bitcoin legal tender in 2021 — the first country to do so.

Countries with the Most Libraries (2025 Ranked)
Russia has more libraries than any country — 130,000+ public, school, and special libraries. The United States has the world's largest library (the Library of Congress, with 173 million items). Finland has the highest library visit rate per capita of any country.

Countries with the Most Dog Owners (2025 Ranked)
The United States has 89.7 million pet dogs — the most of any country. Brazil has the highest dog ownership rate in South America. Romania has Europe's most severe stray dog problem. There are an estimated 900 million dogs globally, of which only 25% are pets. Here's the full ranking.

Countries with the Most Cat Owners (2025 Ranked)
The United States has roughly 62 million pet cats — the most of any country. Russia has the highest cat ownership rate per capita at 59% of households. Japan's cat culture is a global phenomenon. There are an estimated 600 million domestic cats worldwide. Here's the full ranking of cat ownership by country.

Countries with the Most Tattoos (2025 Ranked)
Italy has the highest tattoo prevalence of any country — 48% of Italians have at least one tattoo. The United States has the world's largest tattoo industry at $1.8 billion annually. New Zealand's Māori ta moko tradition is one of the world's oldest continuous tattooing cultures.

How Animals Were Domesticated: Genetics, Behavior, and the Domestication Syndrome
Dogs diverged from wolves at least 15,000 years ago — possibly 40,000 years ago — and the transformation involved not just behavioral tameness but a cascade of physical changes no one selected for: floppy ears, piebald coats, shortened snouts, reduced brain volume. The same cluster of traits appears in domesticated cattle, pigs, horses, and foxes bred in a 60-year Russian experiment. This pattern has a name, a mechanistic explanation, and implications for understanding a transition that reshaped the human species.