Download our GWI Core research and methodology document to find out more about how we collect our data.
This document covers:
- Key numbers and figures for GWI Core
- Desktop and mobile Core survey
- Annual and quarterly sample sizes by market
- How we recruit our respondents
- Sample structure
- Internet penetration estimates by market
- How we set our quotas and weight responses
- How we calculate universe sizes
- Localization
- Survey languages for each market
- Data checks
- Our add-ons and extensions