Half-yearly commodity price indices in Poland from 1998 to 2025

The presented data presents semi-annual consumer price indices (inflation) in Poland from 1989 to 2025, excluding data for the second half of 2025. The indices are expressed as a percentage change in prices compared to the same period of the previous year (=100) and compared to the previous period (=100). The file contains two separate spreadsheets presenting this data from two different perspectives. Data analysis allows for the observation of historical inflation trends and their dynamics in individual years and six months, reflecting changes in price stability over three decades.