currency

Currencies lose value through inflation, money supply growth, weak productivity, debt stress, trade imbalances, and loss of trust in the issuer.

Inflation rankings change quickly and depend on the measure. This guide explains CPI, headline versus core inflation, food and energy shocks, currency depreciation, central-bank policy and why a lower rate does not mean prices fell.

China holds about $3.4 trillion, Japan about $1.2 trillion, and India and Russia each roughly $730 billion. Here is who holds the most foreign exchange reserves, what the numbers include, and why rankings keep moving.

Money feels real and solid, yet it is built on belief. No gold, no government, no army can make money work if people stop trusting it. Here is what money actually is.

Inflation is the steady decline in purchasing power of money. Some is normal and even healthy; high inflation hurts everyone. Here's what causes it, why it matters, and how it's measured.