Which country would have the greatest difficulty coping with rapid population growth?

Italy, with its declining birth rates and aging population, does not experience rapid population growth. In fact, Italy faces challenges related to a shrinking workforce and an increasing number of retirees, which allows for better resource management compared to countries with high growth rates.

Spain, similar to Italy, has a low birth rate and an aging population. While Spain has experienced fluctuations in population due to immigration, it does not currently face the same rapid population growth challenges that India does, allowing it to better manage its resources and infrastructure.

The United States has a relatively stable population growth rate, supported by a robust economy and well-developed infrastructure. While it does face challenges related to immigration and resource allocation, it is better equipped to handle population changes compared to countries with higher growth rates like India.