An interesting graphic produced by World Visualized ranks the nations with the worst air quality, measured by average fine‑particulate (PM₂.₅) pollution.

Women live longer than men nearly everywhere in the world. According to data compiled by Worldometer, the average life expectancy at birth in 2025 is 70.9 years for men and 76.2 years for women, leaving a gap of over five years.

According to the United Nations, global life expectancy at birth has experienced significant changes across various regions. As of 2024, the average life expectancy at birth worldwide is 73.3 years, with females averaging 76.0 years and males 70.7 years. ​

Global life expectancy has changed remarkably over the past six decades, and projections indicate that it will continue to evolve through the end of the 21st century.