In 2009, around 260,000 children died as a result of AIDS. South Africa has the highest rate of HIV/AIDS infection. Furthermore, numerous African nations are badly plagued by HIV/AIDS. Between 1981 and 2006, it killed approximately 25 million people globally. According to the World Fact Book, the country with the greatest number of HIV/AIDS patients in the world. This is a list of the top 20 nations in terms of the number of HIV-positive people.

20. Myanmar
Myanmar is a Southeast Asian country. The Burmese Ministry of Health has declared AIDS a disease of concern. According to UNAIDS, between 200,000 and 570,000 individuals were infected with HIV/AIDS.

People Living with HIV/AIDS: 200,000 – 570,000
19. Indonesia
Indonesia is the country in Southeast Asia, is the 4th populous country in the world. There were around 300,000 people with HIV/AIDS, somewhere 0.1% of the population.

People Living with HIV/AIDS: 310,000
18. Botswana
Botswana has the fastest-growing economy in South Africa. In 2006, the prevalence of HIV/AIDS in Botswana was projected to be 24 percent among adults, making Botswana the country with the highest infection rate in the world.

People Living with HIV/AIDS: 340,000
17. Cote d’Ivoire
The Republic of Cote d’Ivoire, also known as the Ivory Coast, is a nation in West Africa. As of 2014, there were around 460,000 persons living with HIV/AIDS, with a prevalence of 0.60 per 100 adults in 2003. In 2003, an estimated 47,000 people died as a result of AIDS.

People Living with HIV/AIDS: 460,000
16. Thailand
HIV/AIDS was first recorded in 1984 in Thailand; over 500,000 people have died since then, and Thailand has one of the highest HIV prevalence rates in Asia.

People Living with HIV/AIDS: 532,500
15. Cameroon
Cameroon is a country with around 560,000 inhabitants (as of 2004; see latest statistics below) living with HIV/AIDS, or 6.90 per 100 adults.

People Living with HIV/AIDS: 610,000
14. Ukraine
Ukraine is the biggest country in Europe and the European Sovereign State. It has a high death rate and a low birth rate. Ukraine has one of the world’s fastest increasing HIV/AIDS epidemics. According to UNAIDS, 685,000 individuals were infected with HIV/AIDS.

People Living with HIV/AIDS: 685,000
13. Zambia
Zambia’s population is around 13 million and HIV infection in this country reached 1 million. Infection rates are highest in towns and cities and lower in rural areas with low population density.

People Living with HIV/AIDS: 1,000,000
12. Malawi
Approximately 1.1 million (10.8% of the country’s population) people living with HIV-positive. People in Malawi responding to services provided for HIV/AIDS and resulted in a gradual decline in HIV prevalence.

People Living with HIV/AIDS: 1,100,000
11. United States
About 1.2 million people live with HIV as of 2009, and about 1/8th of them are unaware of their infection. The infection was first found in 1980. Around 50,000 people are infected with HIV each year in the U.S.

People Living with HIV/AIDS: 1,200,000
10. China
China is the most populated country, and the number of persons infected with HIV is believed to be approximately 1.25 million or 0.1 percent of China’s entire population. The Chinese government has made numerous advancements in the prevention of HIV infections.

People Living with HIV/AIDS: 1,250,000
9. Uganda
Uganda, a country on the African continent, is one of the world’s most HIV/AIDS-infected countries. Since 1990, the Ugandan government has been battling HIV/AIDS and has developed an AIDS Information Centre to provide HIV testing and counseling services.

People Living with HIV/AIDS: 1,300,000
8. Tanzania
Tanzania is one of the countries in Eastern Africa, According to WHO (World Health Organization) in 2012 estimated the prevalence of HIV was 3.1%. Comparing to 2012 with 2001 data, AIDS death has decreased by 33%.

People Living with HIV/AIDS: 1,400,000
7. Russia
Russia is the largest country by area with a sufficient population; according to the Federal HIV Center, the number of HIV infections will exceed 2 million by 2022

People Living with HIV/AIDS: 1.4 million
6. Kenya
Kenya has a high rate of HIV infection; more than 3 million Kenyans are HIV-positive, and more than 700 people die each day from HIV disease; over 1.5 million individuals have perished from HIV/AIDS since 1984. HIV/AIDS has been labeled a national calamity by Kenya’s government.

People Living with HIV/AIDS: 1.5 million
5. Zimbabwe
Zimbabwe is one of the small countries by area and has a low population, estimated national HIV prevalence rate is 15% while 12% infection rate for men and 18% for women.

People Living with HIV/AIDS: 1.5 to 2 million
4. Nigeria
Nigeria is the 7th populous nation, the rate of HIV in Nigeria is much lower compared to other nations of African nations on total population. As of 2014, the HIV prevalence rate among adults ages 15-49 is just 3.1%of the total population.

People Living with HIV/AIDS: 1.7 million
3. India
India is the world’s second-most populous country, and the government has taken significant efforts to prevent HIV infection, which has now been reduced from 0.41 percent in 2002 to 0.27 percent. The number of new HIV infections has dropped by half in the previous decade.

People Living with HIV/AIDS: 2.1 million
2. Mozambique
Mozambique, a country on the African continent, is one of the world’s poorest and least developed countries. In 2011, about 11.5 percent of the population was infected, and health officials estimated that over 1.7 million individuals were HIV-positive.

People Living with HIV/AIDS: 2.3 million
1. South Africa
South Africa is the world’s 24th most populous country, with an estimated 6.3 million HIV-positive people, according to the 2013 UNAIDS Report (13.6 percent of blacks people, 0.3 percent of whites people). The government made efforts to combat AIDS, including increasing funding for the breadth of AIDS treatment.

People Living with HIV/AIDS: 7.7 million
References
https://www.thebody.com/health/hiv-treatment – HIV Treatment: Everything You Need to Know