Infographic: Which Languages Matter Most Online? Infographic by Common Sense Advisory presents interesting facts on the reach and value of languages: To reach 80% of the world`s total online population, you need at least 12 languages. English enables you to reach 21.6% of people on the web. Represents 36.3% of online spending power. Chinese connect you to 22.7% of the people on the web, but only 6.1% of web-based economic opportunity.