What is the total market value of the Cosplay Costumes Market report? Q5. Which is the most influencing segment growing in the Cosplay Costumes Market report? A. The global cosplay costumes market size was valued at $4,625.0 million in 2020, and is projected to reach $23,008.0 million by 2030, registering a CAGR of 17.4% from 2021 to 2030. Cosplay is simply a combination of two words – costume and play.