Finland's adjusted savings, net national savings (current US$) was US$18.64 billion in 2021, the latest year in the World Bank's World Development Indicators. That is up 55.62% from US$11.98 billion in 2011 (4.52% a year on average, compounded).
Economic Policy & Debt · Finland
Finland: Adjusted savings, net national savings (current US$)
Yearly data from 1975 to 2021, from the World Bank.