The consumers price index (CPI) measures the rate of price change of goods and services purchased by New Zealand households. 24 January 2024: This release incorporates corrections to the following statistics: • Quarterly weighted average prices – due to an error that began in 2019, some of these prices differ by one or two cents, with a small number of series having larger differences. The error is limited to the weighted average prices and does not impact any index. • Petrol and diesel prices – due to an error in the September 2023 quarter, we have included a catch-up movement in the December 2023 quarter for series ... (full story)