2024-04-102024-04-102019https://otos.stat.fi/handle/123456789/32656enCC BY 4.0birth ratechildrenfertilityincrease of populationnatalitypopulationpopulation changesvital statisticsBirths 2018Syntyneet 2018Födda 2018URN:NBN:fi-fe20230919132025fulltext