Two recent opinion polls show the opposition Pheu Thai Party as most likely to win the general election.

One poll result, conducted by the National Institute of Development Administration (Nida) during May 2-3 from 1,203 samples across the country, showed 23.36% of respondents would vote for the Pheu Thai Party, 20.20% for the Democrat Party, 2.99% for the Bhumjaithai Party and 0.58% for the rest of the parties. Undecided respondents comprised 52.87%.