Tennis is not the least popular sport in the United States. The question does not provide supporting evidence or statistics to determine the least popular sport.
Tennis is not the least popular sport in the United States.
According to the information provided, basketball is the most common sport played by Americans, making it the most popular individual-based sport in the country.
While the question mentions tennis as the least popular sport in the United States, it does not provide any evidence or statistics to support this claim.
It's important to note that popularity can vary depending on different factors such as region, demographics, and personal preferences.
In order to determine the popularity of a sport, we would need to consider factors like participation rates, fan bases, viewership, and media coverage.
Therefore, based on the information provided, we cannot definitively state that tennis is the least popular individual-based sport in the United States or the world.
The question raises an interesting point, but without more specific data, we cannot make an accurate assessment.