Highest-grossing movie series (average/movie)
- Who
- Avatar
- What
- 2,236,301,331 US dollar(s)
- Where
- Not Applicable
- When
- 18 February 2026
The highest-grossing movie series (average/movie) is Avatar, whose three instalments had earned an average gross of $2,236,301,331 (£1,647,302,050; €1,888,672,762) at the global box office as of 18 February 2026, according to The Numbers.
The latest movie in the franchise, Avatar: Fire and Ash (USA/CAN, 2025), had grossed $1,462,295,946 (£1,077,154,977; €1,234,984,966) within its first month of release.
The sequel, Avatar: The Way of Water (USA, 2022), earned a total of $2,322,902,023 (£1,711,093,765; €1,961,811,549).
The original Avatar (USA/UK, 2009) remains the highest-grossing movie of all time, with takings of $2,923,706,026 (£2,153,657,409; €2,469,221,772).
Following behind James Cameron’s sci-fi series is the Avengers franchise by Marvel (USA, 2012–18), which earned an average of $1.9 bn (£1.4 bn; €1.6 bn) across its four releases.