A study on the trend of Global language Development

Inpart paper, by considering the data of population, economy, national policy from 2000 to 2015, we adapt Principal component analysis to quantify the data to find out the influence factors. We establish the Virus Infection model to predict the language users within 50 years. We get that Chinese, Spanish, English, India language and other languages will become the top ten languages in the next 50 years.