SteamVR is the only open data source to assess the state of VR market. Steam releases it's hardware survey each month to help developers understand the market.
SteamVR adoption rate is a measure of how many users have a VR headset connected to their computer. The data is collected from the Steam Hardware Survey. We're making adjustments to exclude Chinese users, as western VR headsets are not available in China.
The market share of VR headsets is calculated based on the number of users who have a specific headset connected to their computer.