Fewer than 50% of Ozzies are Christian

 From the ABC (Australian Broadcasting Corporation)

Australians are increasingly unlikely to worship a god and more likely to come from immigrant families.

The 2021 census has revealed a growing nation — more than 25 million people — that is more diverse than ever.

It also depicts a country undergoing significant cultural changes.

For the first time, fewer than half of Australians identified as Christian, though Christianity remained the nation's most common religion (declared by 43.9 per cent of the population).

Meanwhile, the number of Australians who said they had no religion rose to 38.9 per cent (from 30.1 per cent in 2016).

The data also shows almost half of Australians had a parent born overseas, and more than a quarter were themselves born overseas.

Christianity was the stated religion of about 90 per cent of Australians until 1966, when its dominance began to wane.

The ABS says migration has affected the trends since, though much of the change is due to the growth of atheist and secular beliefs.

The fastest-growing religions, according to the latest census, are Hinduism (2.7 per cent of the population) and Islam (3.2 per cent), though these worshippers remain small minorities.

The 2021 census was also the first to collect data since same-sex marriages were allowed in Australia.

Almost 24,000 of these marriages were officially recorded.

However, marriage itself is becoming less prevalent.

A generation ago (in 1991), 56.1 per cent of Australians aged over 15 were in a registered marriage. That has now dropped to 46.5 per cent.