The 28th ANU Poll of just over 2,000 people shows only 30.4 per cent of respondents believe Australia needs more people, compared to 69.6 per cent who felt the country did not.
Support for a big Australia has fallen significantly since a similar question was asked in 2010 when 45.8 per cent of respondents felt the country needed more people.
Lead researcher Nicholas Biddle says the main reasons cited by those who don't support population growth include concerns about traffic, congestion, housing affordability and employment.
Listen to the feature in Bangla in the audio player above.
