2024-04-102024-04-102021https://otos.stat.fi/handle/123456789/25996enCC BY 4.0infant mortalitylife expectancymortalityperinatal mortalitypopulationpopulation changesvital statisticsDeaths 2020Kuolleet 2020Avlidna 2020URN:NBN:fi-fe20230914125414fulltext