In the last 30 years, the number of people living in China has increased by 500 million.

In the last 30 years, the number of people living in China has increased by 500 million.
पिछले 30 वर्षों में, चीन में रहने वाले लोगों की संख्या में 500 मिलियन की वृद्धि हुई है।