Ngram shows how often words and phrase are used in English books over time. “Diversity” has been rising steadily since 1960: But different kinds rose at different times. First was “ecological diversity”, plausibly from environmentalism. Next was “ethnic diversity”, plausibly combining racial and environmental concerns: Soon after “multicultural” “cultural diversity”, via analogy to “biological diversity”: More recently rose “gender diversity”: Over this period, calls to attend to “ideological diversity” rose and fell several times: I find no results at all re “diversity” tied to “morals” or “ethics”. You're currently a free subscriber to Overcoming Bias. For the full experience, upgrade your subscription. © 2025 Robin Hanson |