Forty-two self-managed superannuation funds have more than $100 million in assets and receive more than $140 million a year in tax breaks, sparking calls for the government to stop giving concessions to people who accumulate more retirement money than they could ever spend in their lifetime.

The figures from the Australian Taxation Office’s top 100 SMSF monitoring program, provided to The Australian Financial Review under freedom of information laws, show the wealth of the nation’s 100 biggest SMSFs hit $13.1 billion in 2022-23, the most recent year for which figures are available.