The inflation rate is the percentage change in the price of products and services from one year to the next. Two of the most common ways to measure inflation are the Consumer Price Index (CPI ...

This table contains the annual rates of change of the CPI from the moment they were first published. The annual rate of change reflects changes in prices of consumer goods and services in a certain ...

The 2.5% COLA applied to Social Security in 2025 underestimates the 2.9% increase in full-year CPI-W inflation in 2024, meaning benefits lost buying power. Since 1975, Social Security ...

Here is how it works: The CPI-W from the third quarter of the current year (the average reading between July and September) is divided by the CPI-W from the third quarter of the prior year.