China has had the world's largest population since at least 1950 but is now projected to experience an absolute decline as early as 2023.
The number of males has exceeded the number of females since the mid-1960s. But by 2050, the worldwide sex ratio is expected to even out.
India’s artificially wide ratio of baby boys to baby girls – which arose in the 1970s from the use of prenatal diagnostic technology to facilitate sex-selective abortions – now appears to be narrowing. Son bias has declined sharply among Sikhs, while Christians continue to have a natural balance of sons and daughters.
While the total number of U.S. births declined at the end of 2020 and beginning of 2021, the number of births at home rose.
To highlight some of India’s religious, cultural and demographic differences, here are key facts about its states.
The reasons Americans without children don't expect to have them range from just not wanting to have kids to concerns about climate change.
All major religious groups in India have shown sharp declines in their fertility rates, limiting change in the country’s religious composition since 1951. Meanwhile, fertility differences between India’s religious groups are generally much smaller than they used to be.
With a potential ‘baby bust’ on the horizon, key facts about fertility in the U.S. before the pandemic
In 2019, there were 58.3 births for every 1,000 women ages 15 to 44 in the United States, down from 59.1 in 2018.
Lower fertility rates and aging populations have become worldwide concerns, but the G7 nations have stood out for their lower birth rates and graying populations.
Much of the downturn in the share of immigrant births to Hispanics has been driven by a decline in births among Mexican-origin women.