{"metric":"obr_forecast_cpi","title":"Inflation forecasts","topic":"public-finances","unit":"per cent","measure_type":"rate","geography":"K02000001","comparison_method":"previous_period","latest":{"period_start":"2025-01-01","period_end":"2025-12-31","period_label":"2025","value":3.373036872493396,"status":"final","vintage":"2026-03-26"},"comparison":{"period_label":"2024","value":2.5301927741606,"vintage":"2026-03-26"},"source":{"publisher":"OBR","publication":"Historical official forecasts database","landing_url":"https://obr.uk/data/","sheet":"CPI","table":"CPI","row":"Outturn data*","column":"2025","raw_value":"3.373036872493396","file_url":"https://obr.uk/data/","file_sha256":"e00b17cb7ec8dfddc4bfd4d212c1e93362147fff81d74a10480e599b26e634db","release_date":"2026-03-26","release_label":"Historical official forecasts database, March 2026"},"definition":"CPI inflation averaged over each calendar year: the outturn as the OBR last knew it, with every official forecast for the same year.\n","does_not_measure":"Inflation in any one month, RPI, or the price level.\n","links":{"page":"/public-finances/obr-forecast-inflation","series":"/api/metrics/obr_forecast_cpi/series","vintages":"/api/metrics/obr_forecast_cpi/vintages"}}