The Election Commission announced Wednesday that the voter turnout of 68 provinces where voting took place was 20.1 million or 46.79 per cent.
Of the voters who exercised their right, 3.3 million or 16.57 per cent cast an “abstention” vote while 2.4 million ballots or 12 per cent became invalid.
There are 43 million eigible voters in 68 provinces.
The EC said the Bangkok voter turnout was 16.78 per cent. It said 7.95 per cent of ballots became invalid and 24.02 per cent of voters cast an “abstention” vote.
The figures exclude 516 stations where polling was cancelled on Sunday.