How Much Have U.S. Prices Risen Since 2020?

A slower inflation rate can still leave a higher bill

The annual inflation headline answers how quickly prices changed over the most recent year. A household comparing today’s expenses with 2020 is asking a different question: how far the price level has moved over the entire interval. The table calculates that cumulative change from January 2020 to August 2026 in the acquired CPI histories.

Each comparison uses a matched unadjusted series at both endpoints. The index levels are not dollar prices and should not be added across categories. Their ratios are useful because each category preserves its own index base. A larger cumulative change means the measured category became more expensive relative to its own starting period, not that its current dollar price is larger than another category’s.

What this acquired price history shows

All-items CPI rose 29.85% between the two selected months. A $100 amount at the January 2020 index corresponds to $129.85 at the August 2026 index. Among the four series compared here, energy had the largest cumulative increase, 54.59%, while all items had the smallest, 29.85%. This is a result for these series and this interval, not a claim about every spending category or every household.

Changing the starting amount scales the equivalent proportionately but does not alter the measured percentage change. A $200 example has twice the equivalent of a $100 example. Changing the starting month can change the measured cumulative percentage, especially for volatile energy prices. Those are different operations; the embedded amount control changes only the first.

Food, energy and shelter describe different purchases

The food series here includes food purchased at home and away from home. It is broader than a grocery-only basket. Energy covers energy goods and services, while shelter concerns shelter services, including rents and owners’ equivalent rent. Shelter is not the change in the sale price of a typical house.

These are category price changes rather than contributions to headline inflation. A category’s influence on the overall index also depends on its weight and the index calculation. The table does not add the four percentage changes or interpret the fastest-changing category as necessarily the largest contributor.

Use the amount control as a basket illustration

The final column scales a chosen starting amount by the ending index divided by the starting index. It is useful for a question such as the amount that corresponds to a $100 basket at the earlier index level. The amount control changes that illustration while preserving the acquired source observations.

A household’s actual purchases can differ from the national consumer basket. Changes in product quality, substitution, location and spending patterns also matter. The result is a measured-basket equivalent, not a personalized inflation estimate or a forecast of what an individual will spend.

Keep cumulative and annual inflation separate

A six-year cumulative increase should not be labeled the current annual inflation rate. It also should not be divided by the number of years and called a compounded annual rate. To annualize a multiyear ratio, the exponent must reflect the actual elapsed interval; the simpler cumulative number avoids that extra assumption here.

For a current-year reading, open the CPI indicator’s year-over-year view. For another starting month, use the inflation calculator. For place-to-place price levels, use regional price parities instead of comparing the index levels of local CPI series.

Sources and calculation method

NSA CPI-U; Jan 2020 to Aug 2026. Cumulative change = 100 × (end / start − 1). Equivalent amount = amount × end / start. Snapshot 2026-09-30. These are observations in acquired September 30 snapshots. Source publication dates and reference periods differ; the article’s editorial date is separate from this final data-review date. The tables do not establish which revisions were known before acquisition.

• BLS CPI concepts and scope
• CPI inflation history
• Inflation calculator

Retain the table download and file checksum alongside the method when citing this comparison. For source or calculation questions, use the corrections contact.