Which is the World's biggest City?

Answer 1

Mexico City Mexico City is the biggest city in the World. It is the city with 8,720,916 inhabitants in 2005. The Federal District is located in central-South Mexico. It is bounded by the state of Mexico on the west, north and east, and by the state of Morelos on the south. Mexico City and its metropolitan area, which extends over the state of Mexico, are located in the Valley of Mexico or Anahuac, a 9,560 km² (3,691 sq mi) valley that lies at an average of 2,240 m (7,349 ft) above sea level.

• The world's biggest city by population is Shanghai, China with a population of 23,019,148.

• The biggest city by area is Hulunbuir, Inner Mongolia China at 101,913 sq mi.

These cities are ranked by area, and are from 2008 1. Tokyo, Japan 2. Seoul, South Korea 3. Mexico City, Mexico 4. Delhi, India 5. Muambi (aka Bombay), India 6. New York City, New York, United States of America 7. Sao Paulo, Brazil 8. Manila, Philippines (also happens to be a new city) 9. Los Angeles, California, United States of America 10. Shanghai, China 11. Osaka, Japan
By city proper, the largest city in the world is Shanghai, China with 23,000,000 people.

By metropolitan area, the largest city in the world is Tokyo, Japan with 35,500,000 people.
Mexico city
If you are going by population, Tokyo. If you are going by land area, New York.
This depends on what you mean by 'largest'. If you mean having the greatest surface area, the largest city is Jiuquan in the Gansu region of China. Jiuquan is 167 996 km2 (64 864 miles2) If you mean having the greatest population, the largest city is Tokyo-Yokohama in Japan, with a population of 35 200 000 (35 million 200 thousand) as of March 2011.
Tokyo is the largest city in the world, because it has 32,000,000-34,000,000 people. So Tokyo is now the worlds largest cit. In the city but not the area, it has 13.6 million people.
This depends on what you mean by 'largest'. If you mean having the greatest surface area, the largest city is Jiuquan in the Gansu region of China. Jiuquan is 167 996 km2 (64 864 miles2) If you mean having the greatest population, the largest city is Tokyo-Yokohama metropolitan area in Japan, with a population of 35 200 000 (35 million 200 thousand) as of March 2011.

Specifically designating a single city, it would be Shanghai, the most populous city of China, with more than 23 million people.
Figureing your asking about the population density, not the acuall city size, then it is Mumbai India. With a stagering 13,992,125 people in that one city. The city itself takes up 603 Km2. The population density is 23,088 per Km2. The next city just under that is Shanghi.