Index/Topics/CPI measurement

CPI measurement

The process of measuring the Consumer Price Index (CPI) and its significance in understanding inflation

Fact-Checks

7 results
Jan 17, 2026
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What were the calendar‑year average CPI inflation rates for 2021, 2022, 2023, and 2024 according to the BLS?

The Bureau of Labor Statistics (BLS) publishes calendar-year and year‑over‑year CPI figures in its CPI databases and historical tables, but the specific calendar‑year average inflation rates for 2021–...

Jan 29, 2026
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What were annual CPI inflation rates in the U.S. for each year 2017–2025?

A precise, year-by-year list of for 2017–2025 is a straightforward request, but the reporting provided here does not contain a single, completed table of those nine calendar-year figures; authoritativ...

Jan 15, 2026
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What scenarios could cause the 2026 federal employee COLA to differ from early projections?

Early 2026 COLA projections rested on mid-2025 inflation trends and standard statutory formulas, but a handful of realistic scenarios — late-breaking inflation spikes or drops, data anomalies and meth...

Feb 1, 2026

Which charts and data series do fact‑checkers use to detect misleading presidential economy comparisons?

Fact-checkers detect misleading “presidential economy” comparisons by cross-checking political claims against a small set of canonical, publicly available series — real GDP and real GDP per capita, un...

Jan 31, 2026

How do inflation measures like CPI, PCE, and core inflation differ for the Trump years?

years looks different depending on the thermometer: the ’ Consumer Price Index (CPI) generally reads higher than the ’s preferred Personal Consumption Expenditures (PCE) index, and “core” measures tha...

Jan 30, 2026

How are Alaska and Hawaii cost-of-living adjustments determined for FPL in 2026?

and ’s (FPLs) are higher than the contiguous U.S. because issues separate guidelines for those states and updates the guidelines by applying the year‑over‑year change in the Consumer Price Index for A...

Jan 29, 2026

How do CPI revisions and seasonal factor changes affect the reported inflation rate over time?

are recalculated annually and applied retroactively, meaning seasonally adjusted monthly CPI series and short-run inflation rates can be revised for up to five years when the updates its factors each ...