1. Poll: At different times, many polling agencies will investigate American people's satisfaction and support rate for President Trump's work through telephone interviews and online surveys. Although these findings help to understand the number of Trump supporters, we need to realize that the results of opinion polls may be affected by sampling bias, questionnaire design, the authenticity of respondents and other factors.
2. Social media followers: Trump has a large number of followers on social media. For example, he has more than 80 million followers on Twitter. Although these followers are not necessarily his supporters, we can assume that a large part of them are his supporters or have a good impression on him.
3. Campaign rallies and activities: During Trump's campaign and presidency, a large number of campaign rallies and activities were held. These activities usually attract a large number of supporters. By observing the size of the crowd at the event site, we can get a general idea of the number of Trump supporters.
4. Voting record: In the 20 16 US presidential election, Trump won more than 62 million votes. Although these votes do not necessarily represent the number of supporters (because some people may vote for him for various reasons), this number can also be used as a reference to understand the number of Trump supporters.
However, it should be noted that none of the above methods can accurately tell us the exact number of Trump supporters. The best way to evaluate the number of Trump supporters may be to consider a variety of factors, including opinion polls, social media followers, campaign participation and voting records.