At least half of Australia's only disease-free koala population, a key "insurance" for the species' future, is feared dead, with more badly hurt after bush fires swept through an island sanctuary, rescuers said on Sunday.
Iranian government’s main statistics agency released updated demographic data for the country, saying the population grew by around 4.7 percent since the last census three years ago to top 83.75 million in September 2019.
For almost all of human history, the Earth’s population has skewed younger. But since the last World Population Day on July 11, 2018, a major shift occurred: There are now more people age 65 and older than there are under age five.
The homeless population around Los Angeles, California, has risen sharply during the past year due to a lack of affordable housing in and around America’s second-largest city, pushing more people into poverty, according to new a study.