The Dota 2 Competitive Hero Tier List for December 2019 includes data from patches 7.23 to 7.23e, for a total of 479 games. The heroes are split in five groups.

The Dota 2 Competitive Hero Tier List for September 2018 includes data from 7.19b and 7.19c, for a total of 371 games. All heroes are split in five groups.