Opioids accounted for 86 percent of all drug overdose deaths in the state with the highest overdose mortality rate.

India passed China as the world's most-populous country back in 2023 and is on course to approach 1.7 billion people by 2050.

The United Nations predicts that the global population will reach 9.7 billion by 2050, and further increase to 10.4 billion ...

Where islands outnumber towns and coastlines fragment into thousands of pieces, here are the countries with the most islands ...