Which part of the world has become the highest density of population as of September 2020? 

The correct answer is South Central Asia.

Key Points

• South-Central Asia has the highest population density in the world, followed by East and South-East Asia.
• South Asia has a population of about 1.891 billion people, or roughly one-fourth of the world's population, making it the world's most populous and densely populated geographical region.
  • The reason is people prefer to live on plains more than mountains or plateaus and they live more in moderate climates than extreme hot or cold. From the agricultural point of view, fertile lands are preferred. Areas with mineral deposits are more populated.

Additional Information

• Population density refers to the number of people living in a unit area of the earth’s surface. 
• Data on population density can be used to calculate demographics and examine interactions with ecosystems, human health, and infrastructure.
• According to the 2011 census, the density of population in India is 382 persons per sq km.
• Delhi (11,320) turns out to be the most densely inhabited followed by Chandigarh (9,258), among all States/UTs, both in the 2001 and 2011 Census.