Polling stations can be found at many locations including shopping centres, public libraries, post offices and municipal services buildings.
By Sunday evening 834,725 voters, accounting for 20 percent of the electorate, went to the polls, the same level as seen in the last presidential election in 2006.
Nearly 105,000 of those votes were registered on Saturday and around 83,000 on Sunday.
Advance voting continues through Tuesday, January 17. The last day for eligible voters living outside Finland to cast ballots was Saturday.
Election day is Sunday the 22nd of this month. If no single candidate receives more than 50 percent of the vote, a second round run-off between the two top candidates will be held on February 5.
