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As of 2025, the largest religious community in Finland was  the Evangelical Lutheran Church, at 3.45 million people. However, around two million people were not members of any religious community. 

Immigration to Finland

While the number of immigrants to Finland remained below 35 thousand in the past decade, this number has started to increase noticeably since 2021. As of 2022, almost 50 thousand people immigrated to Finland, almost 73 percent more compared to the previous year. The significant increase in immigrants was caused by the Russian invasion of Ukraine which started on February 24, 2022. That year, over six thousand people immigrated to Finland from Russia, over twice as many as in the previous year.

The Finnish population is aging

While the number of individuals belonging to the younger age groups in Finland declined from 2018 to 2023, the age group of 60 years and older continued to increase. By the end of 2023, its size was over 1.6 million. The growing number of individuals aged 60 or older reflects the change towards an older population structure of the country. In total, the population of Finland amounted to roughly 5.6 million as of 2023. The largest age groups were 20- to 39-year-olds, and 40- to 59-year-olds, which together made up over half of the population.