The Wolf of Wall Street, Martin Scorsese's true-life tale of corrupt New York stockbrokers, was the most illegally downloaded movie of 2014.
Both films were downloaded around 30 million times by torrent users between 1 January and 23 December 2014.
The third most-pirated film was space thriller Gravity.
It was just behind Frozen with 29.357 million downloads.
The Wolf of Wall Street, which stars Leonardo DiCaprio as real-life stockbroker Jordan Belfort, caused controversy when it was released in the US a year ago for its scenes of sex and drug-taking.
It was nominated for best picture at the Oscars and contained more than 500 uses of the F-word in its almost three-hour running time.
Other Oscar nominees in the most-pirated top 20 included 12 Years a Slave, American Hustle and Captain Phillips.
The Hollywood Reporter noted that the biggest-grossing film of the year, The Guardians of the Galaxy, was not on the list "perhaps because anyone interested in the film opted to see it in theaters".
And Variety reported that while the number three spot went to RoboCop, the figures included both MGM's 2014 reboot as well as the original 1987 version.
- 1. The Wolf of Wall Street 30.035m
- 2. Frozen 29.919m
- 3. RoboCop 29.879m
- 4. Gravity 29.357m
- 5. The Hobbit: The Desolation of Smaug 27.627m
- 6. Thor: The Dark World 25.749m
- 7. Captain America: The Winter Soldier 25.628m
- 8. The Legend of Hercules 25.137m
- 9. X-Men: Days of Future Past 24.380m
- 10. 12 Years a Slave 23.653 million
- 11. The Hunger Games: Catching Fire 23.543m
- 12. American Hustle 23.143m
- 13. 300: Rise of an Empire 23.096m
- 14. Transformers: Age of Extinction 21.65m
- 15. Godzilla 20.956m
- 16. Noah 20.334m
- 17. Divergent 20.312m
- 18. Edge of Tomorrow 20.299m
- 19. Captain Phillips 19.817m
- 20. Lone Survivor 19.130m