The World Health Organization (WHO) has been publishing annual reports on world health statistics since 2005, with a focus on health-related sustainable development goals (SDGs) since 2016. WHO’s 2025 report focuses on global healthy life expectancy (HALE), prevalence of infectious diseases, and health risk factors (such as malnutrition, tobacco use, and air pollution). Below are some key findings from the report. Data in tabulated form is also available.

Imagine a city where daily errands are a delightful stroll or a quick bike ride away, where lush green spaces are abundant, and where the air is noticeably fresher and cleaner. This isn’t a distant utopia; it’s the lived reality in Aspern Seestadt, also known as Aspern Lakeside City.

Whether a resident or visitor to the US, air pollution—including particulate matter, carbon dioxide, and the like—is a concern given its potential health and environmental impacts. The American Lung Association released its annual "State of the Air" report that highlights particulate matter and ozone pollution data in the US, by county and city from 2021 to 2023. Below are key findings from the report.