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Population

In many countries, fertility rates are already dropping below that required to maintain a population, and without immigration the number of people living there would be falling.

Even with biological immortality, if people were limited to one child each, then there would be a finite maximum population to deal with. And biological immortality does not mean fictional immortality - people will still die in accidents, conflict or by choice, meaning the global population would eventually start falling again.

Read more about: Overpopulation.

Population News

UK fertility rates fall to historic lows despite slight rise in births

UK fertility rates fall to historic lows despite slight rise in births

The Guardian - 27-Aug-2025

Record-low fertility raises concerns over ageing population and economic stability

Italy’s population decline is closing schools and stressing families

Italy’s population decline is closing schools and stressing families

BBC - 19-Jul-2025

Immigration is helping industries, but not solving school enrollment drops

UK could become Europe's most populated country by 2100

UK could become Europe's most populated country by 2100

Business Standard - 16-Jul-2025

Experts want a new office to track and plan for future population changes

South Korea faces alarming 85% population decline by 2125, study warns

South Korea faces alarming 85% population decline by 2125, study warns

Korea Herald - 02-Jul-2025

Shrinking birth rates and economic pressures could leave Korea with just 7.5M people in 100 years

More Population News

Population Resources

Click on resource name for more details.

Aging and Economic Growth in the Pacific Region

Amazon

Book about aging in the Pacific Region edited by Akira Kohsaka

Blue Mars

Amazon

Science fiction novel from the Mars trilogy, written by Kim Stanley Robinson

The Longevity Imperative

Amazon

How to Build a Healthier and More Productive Society to Support Our Longer Lives, written by Andrew Scott

Stuart Gietel-Basten

Professor of Social Science and Public Policy at the University of Hong Kong, Demographer working on low fertility and population decline

Oxford Institute of Population Ageing

Multi-disciplinary group with aim to undertake research into the implications of population change

Ageing Populations in Post-Industrial Democracies: Comparative Studies of Policies and Politics

Amazon

Generational politics and public policies within an approach explicitly focusing on comparative political science edited by Pieter Vanhuysse

More Population resources

Population Blog Posts

Longevity and coping with an ever increasing population
07-Jul-2015

Longevity and coping with an ever increasing population

Replace the defence budget with a space colonisation budget and everyone board can be shipped off planet

More Population blog posts