IMDB Genre Evolution

Drama, Action, and Comedy movies dominate the 1920s' ranking tiers

Genre Representation from the 1920s through the 2010s

Several genres have had ebbs and flows in representation over the past century

Drama maintained the highest genre share in all but one decade of the Top 500

The Top 250 is where many genres oscillate up and down between decades

The most selective tier highlights genre peaks coinciding with world events and historic eras in film

Comedy's biggest decade coincides with Charlie Chaplin comedies relating to the Great Depression
Drama, already a dominant force, sees a peak in the 1970s, as the New Hollywood movement hits its heights
Action movies peak in the 1980s, which was a decade of new highs for blockbuster Action franchises

Drama and Action dominate all tiers in the 2010s

Isolate or compare genres to see how their representation changes across ranking tiers and decades

Even today's dominant genres experienced decades with little or no representation in the highest tiers
As the tiers become more selective, some genres lose representation altogether
Historical events and cultural shifts appear to have affected genre popularity throughout the past century
Drama has typically been the dominant genre since the 1970s