Something odd about couples has puzzled scientists for more than a century
Scientists have puzzled over homogamy, or assortative mating, for more than a century as romantic partners consistently choose mates similar to themselves. Australian census data covering 5.2 million couples in 2021 confirms this global phenomenon occurs across occupation, religion and education levels. Yet researchers also detected a growing tendency among Australians to embrace difference in partner selection.
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Published 17 Jul 2026, 19:04 UTC · Updated 17 Jul 2026, 19:10 UTC
Summary by OZbrief Editorial. Original report: ABC News – Australia. Editorial policy · Corrections



