Reddit user, StopReadinMyUsername, combined ratings from IMDb, Letterboxd, Rotten Tomatoes & Metacritic, and then fine-tuned the results with data from Letterboxd, iCheckMovies, TSPDT?, TMDb and IMDb to formulate the top 1001 movies of all time.
This list is the updated 2020 edition.
Source: http://redd.it/fswg60