English: Graph showing results from four studies measuring the presence of female and male characters in film.

The sources are:

• 1929-2015: Anderson, Hanah; Daniels, Matt. "The Largest Analysis of Film Dialogue by Gender, Ever". Polygraph.
• 1950-2006: Bleakley, A.; Jamieson, P. E.; Romer, D. (2012). "Trends of Sexual and Violent Content by Gender in Top-Grossing U.S. Films, 1950–2006". Journal of Adolescent Health 51 (1): 73–79. doi:10.1016/j.jadohealth.2012.02.006. PMID 22727080
• 2007-14: Smith, Stacy L.; Choueiti, Marc; Pieper, Katherine; Gillig, Traci; Lee, Carmen; Dylan, DeLuca. "Inequality in 700 Popular Films: Examining Portrayals of Gender, Race, & LGBT Status from 2007 to 2014". USC Annenberg School for Communication and Journalism.
• 2010-13: Smith, Stacy L.; Pieper, Katherine. "Gender Bias Without Borders: An Investigation of Female Characters in Popular Films Across 11 Countries". See Jane.

Data:

• Characters (1950-2006): female 33%, male 66%
• Named characters (2010-13): female 31%, male 69%
• Speaking roles (2007-14): female 30%, male 70%
• Protagonists (2010-13): female 23%, male 77%
• Character with the most dialogue (1929-2015): female 22%, male 78%
• Two out of top three speaking roles (1929-2015): female 18%, male 82%