A graph showing the percentage of philosophy articles that cited empirical sources each year between 1970 and 2024. That proportion has increased from approximately 10% in the 1970s to over 50% in the 2020s.
Philosophy was mostly "armchair" in the mid-20th century—but it's not anymore! Philosophers have increasingly cited empirical sources and discussed empirical data and evidence. In fact, as of the 2020s, non-empirical philosophy has become the minority.