In terms of health, life expectancy at birth in the United States is almost 79 years, one year lower than the OECD average of 80 years. Life expectancy for women is 81 years, compared with 76 for men. The level of atmospheric PM2.5 – tiny air pollutant particles small enough to enter and cause damage to the lungs – is 10.1 micrograms per cubic meter, lower than the OECD average of 13.9 micrograms per cubic meter. The United States also does well in terms of water quality, as 84% of people say they are satisfied with the quality of their water, higher than the OECD average of 81%.


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