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Population

All articles tagged with #population

Most of the World Is Below Replacement Fertility, Reshaping Aging Populations
demographics9 days ago

Most of the World Is Below Replacement Fertility, Reshaping Aging Populations

A Voronoi-style visualization of fertility rates across 236 countries shows about 71% of the global population lives in countries with below-replacement fertility (2.1 births per woman). India (~1.94) and China (~1.02) sit below replacement, while Sub-Saharan Africa has the highest rates (Chad 5.94, Somalia 5.91, DR Congo 5.90). Fertility has fallen from about five births per woman in the 1960s to a 2024 global average of roughly 2.2, with future growth increasingly concentrated in high-fertility regions, shaping aging populations, labor markets, and long-term demographics. The data come from the UN World Population Prospects 2024 Revision, using 2025 estimates.

via Visual Capitalist|
#demographics#demography#fertility
Prosperity's paradox: shrinking global workforce ahead
science1 month ago

Prosperity's paradox: shrinking global workforce ahead

Global population is projected to decline by about a billion from its peak this century, not due to war or disease but rising wealth, education, and longevity leading to fewer births. The sharpest drops are in rich economies, shrinking the working-age population and risking slower growth, with shortages emerging in sectors like teaching, engineering, and nursing. Solutions call for a “revolution of minds”—automation/AI and upskilling—to keep economies afloat as the human base contracts.

via Indian Defence Review|
#aging#birthrates#demographics
Immigration Slowdown Reshapes U.S. Metro Demographics
society2 months ago

Immigration Slowdown Reshapes U.S. Metro Demographics

New Census Bureau estimates show net immigration fell in every U.S. metro area in 2025, with large urban and border counties hit hardest. About 75% of counties saw slower or negative overall population growth as births lag and immigration remains suppressed, with Los Angeles County losing about 54,000 residents, NYC around 12,000, and Miami-Dade more than 10,000, even as the nation overall grew by 1.8 million—one of the slowest growth rates in history. Experts warn that continuing low immigration could erode the country’s demographic cushion and labor force, posing long‑term economic and housing challenges for cities and regions that once depended on immigration to fuel growth.

via The New York Times|
#census#demographics#immigration
Rural Undercounts May Boost Earth's Population Estimates
science3 months ago

Rural Undercounts May Boost Earth's Population Estimates

Aalto University researchers analyzed 300 rural dam-relocation projects across 35 countries from 1975–2010 and found rural populations are undercounted by 53%–84% in several global datasets, suggesting that Earth's population may be higher than the commonly cited ~8.2 billion; the finding could affect how countries allocate resources, though some experts remain skeptical and say decades of population data would need overhaul, and more evidence is required.

via Yahoo|
#aalto-university#census-data#nature-communications
8.2 Billion and Counting: A Country-by-Country Population Visualization
demographics4 months ago

8.2 Billion and Counting: A Country-by-Country Population Visualization

Global population surpassed 8.2 billion in 2025, with India contributing roughly a quarter of that growth and nearing 1.46–1.5 billion while China declines; the United States is around 347 million, and Nigeria is projected to overtake the U.S. by 2050. The Visual Capitalist graphic visualizes 204 countries’ populations using UN data, highlighting aging trends in Europe (Italy and Greece shrinking) and broader demographic shifts.

via Visual Capitalist|
#china#demographics#india
Coastal martens mapped: OSU study reveals habitat preferences and a 46-individual snapshot
science4 months ago

Coastal martens mapped: OSU study reveals habitat preferences and a 46-individual snapshot

Oregon State University researchers conducted a three-month study in 2022 in a 150-square-mile coastal area near Klamath to map the coastal marten’s population and habitat using hair-based genetic analysis, identifying 46 martens (28 males, 18 females). Martens favored high-elevation, snow-rich ridges and lower-elevation riparian/coastal forests with complex structure—forests with more than 50% canopy, many large trees, snags, and coarse woody debris. The coastal marten, once ranging from northern Oregon to northern California, declined due to fur trapping; current distribution and demography remain incompletely understood, underscoring the need for further conservation-focused research.

via katu.com|
#climate-change#coastal-marten#forest-structure
health10 months ago

US Fertility Rate Hits Record Low in 2024, CDC Reports

The US fertility rate hit a historic low in 2024 at less than 1.6 children per woman, aligning with European levels, driven by delayed childbearing and economic concerns, though overall population growth continues due to immigration and other factors. The Trump administration has attempted measures to boost birth rates, but experts suggest broader social support is needed. Despite the decline, the total number of births increased slightly in 2024 due to population recalculations.

via ABC News|
#2024#births#fertility-rate