22.1.2.1. Resident population by sex, county and region, 1st January

*Population numbers from 2001 to 2011 were calculated on the basis of the census conducted on 1 February 2001. The population number for 2012 is based on the census conducted on 1 October 2011. The population numbers for the period between 2013 and 2022 have been calculated retrospectively on the basis of the final census data of 1 October 2022. From 2023 onwards, the population figures are calculated forwards on the basis of the 1 October 2022 census data.aPlanning and statistical region and capital according to the territorial code system in force since 1 January 2018, formerly capital.bPlanning and statistical region and county according to the territorial code system in force since 1 January 2018, formerly county.cStatistical large region according to the territorial code system in force since 1 January 2018, formerly planning and statistical region and statistical large region.