The information regarding the three cities namely Sao Paulo, Jakarta and Shanghai where the actual population in 1990 and 2000, while the predicted number for the future population in 2000 has depicted in the table. Overall, the Judgement of actual population was totally wrong, however actual population was lower as compared to predictions. Looking at first, while the actual population of Sao Paulo in 1990 was 5 million, the same year Jakarta and Shanghai population accounted for 9.5 million and 13.5 million respectively. In 2000, the prediction population of Sao Paulo was 24 million, but the actual number of people was rose to 80,000,000. Jakarta saw 40 million, however there was roughly fall in the actual population of Jakarta which was about 14.5 million in 2000 and had a negligible difference between Shanghai and South Pole actual population that was only 0.5 million. However, the prediction of Shanghai was little more that was 17 million.