Such emissions from upper-middle-income countries have more than doubled since 2000, even though the population growth rate was falling throughout this period. Most high-income countries are ...

Major economies are heading toward a "population collapse" by 2100 because of falling fertility rates, new research ... will live in an economy with less growth while simultaneously having to ...

In the United States, during the 40 years from 1975 to 2015, the 20- to 64-year-old population grew 1.24 percent a year, but is projected at only 0.29 percent for the next 40 years. That should lead ...

Immigration in 2024 drove U.S. population growth to its fastest rate in 23 years as the nation surpassed 340 million residents, the U.S. Census Bureau said Thursday. The almost 1% growth rate this ...