A total of 51.4 million of all 69 million people are eligible to vote in the March 24 election, dominated by those aged 26-45, according to official Interior Ministry data.
The figure was based on the national census as of Feb 1. The constitution requires the data of the month before an election be used.
Of the total eligible voters, 24.8 million are male and 26.6 million are female.
A breakdown by age group shows 19.6 million, or 38%, are those aged 26-45, followed by those aged 46-60 (14.4 million or 28%), those aged 61 or more (10 million or 20%) and first voters or those aged 18-25 (7.3 million or 14.2%).
The provinces with the higher numbers of voters are Bangkok (4.5 million), Nakhon Ratchasima (2 million), Khon Kaen (1.4 million), Ubon Ratchathani (1.4 million) and Chiang Mai (1.3 million), respectively.
The provinces with the smallest numbers of voters are Ranong (135,557), Samut Songkhram (157,754), Sing Buri (170,483), Trat (172,807) and Mae Hong Son (174,345), respectively.
