What data support his claims?

To support his claims, one would typically look for empirical data, statistics, or case studies that illustrate the trends or patterns he discusses. This could include research findings from reputable studies, surveys that reflect public opinion, or historical data that shows a correlation between variables. Additionally, expert testimonials or analyses from credible sources can further substantiate his arguments. Ultimately, the strength of the data and its relevance to the claims made are crucial for validation.