Because of the pandemic, we know less about the shape and size of our society than we have for decades.
Once the pandemic is over, London's gravitational pull is likely to come back into play.
Planning for Nigeria's next census scheduled for 2021 must address critical issues.
Reliance on paper-based birth certificates is becoming less practical. They also make it harder for all babies to be officially recognised.
With 70 percent of its people under 30 years, Nigeria needs to harness the strength in its youthful population.
Large numbers of young people can represent great economic potential. But this only works if Nigeria can invest in their health and education and new economic opportunities.
Under a severe scenario, Australia’s population will be 4% smaller than if the pandemic hadn't occurred.
The governments of several African countries have been reporting counts of confirmed cases, recoveries and deaths related to COVID-19, without a breakdown by age and sex.
Why there's no need to panic over warning of 'jaw-dropping' fertility decline.
Despite the hype about a "coronial" baby boom, the pandemic is likely to see many Australians delay or not have children at all.
An accurate census requires good data in and good data out. With the 2020 census, the US has unprecedented challenges with both.
A group of population experts have called on governments in Latin American and the Caribbean to urgently ramp up testing for COVID-19 before it's too late.
Countries have been trying to count their populations since the Han dynasty in China.
Long before coronavirus hit Australia we were moving less between states and regions. Some worry about economic impacts, but a greater concern is inequality if some people find themselves 'trapped'.
The decline in US birth weight is somewhat of a puzzle for public health researchers.
The number of births in the United States have been falling for the last three decades, reaching their lowest number in 32 years.
The number of old people will increase, while the proportion of white Americans will continue to fall.
Black Americans who grow up in racially segregated areas tend to have worse health, education and future economic prospects. Moving out can make a big difference.
Over the last 35 years, the number of Americans who have moved has steadily declined to nearly half of their previous levels.
People living in rural and small town America have much at stake in the 2020 census. But census participation tends to be lower in rural areas.