The bar chart shows the percentage of the total world population in 4 countries in 1950 and 2002, and projections for 2050. Summarise the information by selecting and reporting the main features and make comparisons where relevant. You should write at least 150 words.

The bar chart illustrates the percentage of overall world population in India, China, USA and Japan in 1950 and 2002 also, a forecast is given for the year 2050. All in all, Chinese and Japanese population is decreasing dramatically whereas Indian statistics has rose over the course of time. In 1950, Indian population counted only 15% to total global population and increases a few percentage by 2002. The predicted percentage is a little less than 20% which will be the highest when compared to other nations. China was the highest contributor to world population in the year 1950 however the range has decreased drastically over a period of around 50 years and also the forecast is much lesser compared to previous statistics which will be 15%. Japan which started off with below 5% decreases a few more by 2002 and is said to reduce again in the future. The foreseen population would be 5% by United State of America which is same as that in 2002 but USA had a starting range of above 5%.