PM Takaichi's Liberal Democratic Party is likely to win between 274-328 seats in the Lower House, higher than the 233 seats needed for a majority, NHK says.

The poll showed that the LDP-led coalition was likely to secure more than 300 of the 465 seats in the Lower House.

Polls show the Liberal Democratic Party (PLD) of Prime Minister Sanae Takaichi on course for a decisive victory in the February 8 legislative elections.