Based on the provided reference, which ranks countries by the loss of life expectancy due to air pollution, India is the country most affected.
Understanding "Dirtiest" in Context
The term "dirtiest" can refer to various forms of pollution (air, water, land). The provided reference focuses specifically on air pollution and its health impact as measured by the reduction in average life expectancy. Therefore, using this specific metric, India is ranked highest among the listed countries.
Air Pollution and Life Expectancy Loss (2020 Data)
The reference from the 2020 UChicago ACLI list provides the following data on the impact of air pollution:
| Rank | Country | Loss of life expectancy (years) |
|---|---|---|
| 1 | India | −6.93 |
| 2 | Pakistan | −4.98 |
| 3 | Nepal | −4.13 |
| 4 | Bangladesh | −3.84 |
Source: List of countries by air pollution - Wikipedia
This table indicates that residents in India, on average, face the largest reduction in life expectancy due to air pollution compared to the other countries listed in this specific excerpt from the UChicago ACLI 2020 data. The negative number signifies the average number of years of life lost per person due to exposure to air pollution levels exceeding recommended guidelines.
Key Takeaway
While "dirtiness" is a broad term, the reference focuses on the severe health impact of air pollution. According to the provided data, India ranks first in terms of the average number of years lost from life expectancy due to air pollution.
