5 highest-grossing R-rated movies of all time

All movies go through a rating process before they are released to the public, to make it easy to discern which movies are intended for which audience age.

Top 10 highest-grossing R-rated movies of all time - Dexerto

Deadpool's maximum effort pays off: Is now the biggest X-Men movie ever

What is the highest grossing R-rated movie in the US? - Quora

Here are the 10 highest-grossing movies of all time

Top 25 Highest Grossing R-Rated Movies (2017) [OC] : r/dataisbeautiful

Big-budget films are getting worse — and we can prove it - Vox

What are the most successful 18-rated films in the UK?, Features

Highest-Grossing R-Rated Movies: R Movies That Made The Most Money - The Delite

Smoking in the Movies

Fandango - When you bring me out, will you introduce me as the highest-grossing R-rated movie of all time?