Obesity is a key factor in high blood pressure, heart disease, and diabetes, which are the main vulnerabilities, along with age and obesity itself, for severe Coronavirus complications. We list the percentage of the obese population in some key countries for Coronavirus approaches and infestations.
| Country | Obesity Percentage |
| United States | 36.2 |
| Canada | 29.4 |
| Mexico | 28.9 |
| United Kingdom | 27.8 |
| Spain | 23.8 |
| Russia | 23.1 |
| Germany | 22.3 |
| Brazil | 22.1 |
| France | 21.6 |
| Sweden | 20.6 |
| Austria | 20.1 |
| Italy | 19.9 |
| North Korea | 6.8 |
| China | 6.2 |
| South Korea | 4.7 |
| Japan | 4.3 |
| India | 3.9 |
In addition, smoking and severe air pollution are also risk factors for complications.
