The world holds an estimated 7.5 billion+ people today; by 2100, that number is expected to rise to 11 billion, with the fastest growth in Africa and Asia. In June, the UN will publish new projections.

The South African government plans to expand existing longitudinal demographic studies to track the health, income and educational attainment of both urban and rural residents, creating the largest project of its kind in Africa. The initiative may include as many as 500,000…

The USDA released updated food availability data this month, which reveals that food in the US is, paradoxically, overabundant and scarce—and causing a lot of problems.  The average American now consumes around 2,481 calories per day. The amount of food available per…

Japan has the oldest population in the world, with close to 27% of inhabitants age 65 or older. This week, NPR reporter Ina Jaffe explores how an aging populace is affecting the country’s economy, health care system and culture.  Jaffe says a dip in birth rates is one…

Efforts to curb climate change have been varied and, thus far, largely unsuccessful. But Travis Rieder, a philosopher at The Johns Hopkins University, has a new approach: have fewer children. Although an ethically and emotionally difficult decision, Rieder argues that…

In the past 5 years, Japan’s population has dropped by nearly one million people, according to government data, fueling concerns about a coming demographic crisis. The decline of 0.7% to 127.1 million had been predicted by the government, but thenew statistics confirm the…

Every year, PRB provides the latest demographic data for the world, global regions and more than 200 countries. This year’s collection of indicators includes several focusing on the status of women in education, employment, and government—providing a global picture of women…