The life expectancy of the United States has dropped by nearly 3 years, and the level of return 25 years ago. What is the reason?

Author:Jiefang Daily Time:2022.09.02

According to the latest report issued by the U.S. Centers for Disease Control and National Health Statistics, the per capita life expectancy of the United States in 2021 was 76.1 years, a decrease of 0.9 years compared to 2020.

The per capita life expectancy refers to the newborn baby that year, combined with the mortality rate of the year, and the average number of years of survival can be survived, which is one of the important indicators to measure the health level of residents.

In fact, the per capita life expectancy of the United States has fallen significantly in 2020, from 78.8 years old to 77 years old. The average life expectancy of my country in 2020 reached 77.93 years, an increase of 0.53 years from 2019. This year, China's per capita life expectancy exceeded the United States.

The per capita life expectancy of the United States has declined 2.7 years for two consecutive years.

From 1950 to 2019, the per capita life expectancy of the United States has been gradually rising. The average annual growth rate from 2000 to 2019 is 0.15%. Until 2020 and 2021 The rate of annual change.

In 2021, the life expectancy of men in the United States is 73.2 years, a decrease of 1.0 years from the age of 74.2 in 2020. Women's expectations are 79.1 years, a decrease of 0.8 years over the previous year. The average life expectancy of men and women from 2019 to 2021 is 3.1 years and 2.3 years, respectively. This also led to the expected life gap between men and women further expanded, from 5.7 years in 2020 to 5.9 years, the largest difference in statistics in more than 20 years.

Causes of decreased life expectancy

The death of the new crown epidemic is the first reason for the decline in the life expectancy of the United States.

Among the factors that constitute a decline in life expectancy in the United States, the proportion of the new crown epidemic contributes 50%. Secondly, accidental damage (15.9%), heart disease (4.1%), chronic liver disease (3.0%), and suicide (2.1%).

Different races and origin, the expected life span is relatively large

There are also large differences in the life expectancy of different origin and racial groups in the United States.

In 2021, the per capita life expectancy of Asian, white and Spanish descent is 83.5, 77.7, and 76.4 years old. The per capita life expectancy of blacks, America Indians and Alaska aboriginals is only 70.8 years and 65.2 years, respectively.

At the same time, in addition to Asians, ethnic minorities, the expected life expectancy of the epidemic is also greater.

From the perspective of the decline, the per capita life expectancy of the Antone and Alaska Aboriginal people in the Americas and Alaska fell the largest. From 2019 to 2021, the decline reached 6.6 years. The per capita life expectancy of 2021 was the lowest level since 1944.

The expectations of the Spanish and black groups are second only to the Aboriginal people. From 2019 to 2021, the decline has reached 4.2 years and 4.0 years old.