An opinion poll by public broadcaster NHK found 44% of those questioned opposed the plans, with just 12% supporting it and 34% of respondents undecided.
A poll conducted on June 7th by NHK, the national broadcaster, found that for all the people who felt the wavering Mr Hatoyama should leave office, twice as many felt that Mr Ozawa should go.
In recent weeks alone, NHK, the public broadcaster, devoted 55 minutes of prime time to his life, and a scholar came out with a 309-page book exploring his thinking and its impact on Japan.