Final answer:
The United States has the highest HIV population in North America, with better access to healthcare and advanced treatment options contributing to more survivors of HIV and AIDS than in Africa, which struggles with resource limitations and social stigma.
Step-by-step explanation:
The country in North America with the highest HIV population is the United States. While the HIV rate of spread is much higher in Africa than in North America, more survivors with HIV infections and AIDS are found in the U.S. This can be attributed to a variety of factors, including better access to medical care, advanced treatment options, and comprehensive public health strategies aimed at managing and reducing the spread of HIV.
Better healthcare infrastructure in the U.S. allows for more effective treatment and management of HIV, leading to prolonged life for those infected. Public health campaigns, the availability of antiretroviral therapy (ART), and preventive measures have also played a significant role in the higher survival rates in the U.S.
In contrast, many African countries face challenges such as limited access to treatment, lack of resources, and social stigma, which contribute to a lower rate of survival among those infected with HIV. Sub-Saharan Africa has nearly 70% of the world's HIV-positive cases, underscoring the grave impact of the epidemic on this region.