population growth in India and China

The line chart provides informations about total populations(in billions) of two countries in Asia:India and China.
While the population of India experienced a dramatic increase,China’s only shoes steady but still witnessed a slight rise.
In 2000,the population of India was 1 billion.India’s population increased significantly throughout the period.Experts predicted that India’s populations will reach 1.6 billion in 2050which will increase 600 million people from 2000.
In the other hand, China’s population was prognosticated to be more stable.In 2000,the China’s population reached 1.25 billion. from that time to 2030, it’ll just gradually increase to 1.45 billion.And then, from 2030 to 2050 ,it experienced a downtrend to 1.4 billion.