Birthright citizenship - what is it and which countries have it?

United States president Donald Trump has again stoked controversy by suggesting so-called birthright citizenship in the United States should be ended.

A newborn lies on his mother's stomach after a delivery at the medical clinic St Vincent de Paul in Lille, on August 17, 2018. Source: (PHILIPPE HUGUEN/AFP/Getty Images)

The concept of birthright citizenship, or jus soli  in the United States comes from the 14th amendment to the country's constitution, which has been in place for 150 years.

Further investigation by SBS News indicates that number of countries that currently have birthright citizenship now may be closer to 40, including the United States' northern neighbour, Canada, and its southern one, Mexico; But not in Australia.

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