Explanation: Population density is a critical demographic measure that indicates the number of people living in a given area. It is calculated by dividing the total population by the total area of the region. In the context of India, the 2011 census provides the most recent and comprehensive data on population density across different states and union territories.
Delhi, being a union territory and a highly urbanized metropolitan area, has the highest population density in India. The 2011 census data shows that Delhi has a population density of approximately 11,320 people per square kilometer. This high density is primarily due to the concentration of people in a relatively small land area, which is characteristic of urban centers.
In contrast, larger states like Uttar Pradesh, despite having a large total population, have a lower population density. Uttar Pradesh, being a vast state with a significant rural population, spreads out the population over a larger area, resulting in a lower density. Similarly, Uttarakhand, a mountainous state with a significant portion of its area being forested and less populated, has a much lower population density than Delhi.
Bihar, although densely populated, does not have the highest population density in India. The state's population is spread over a larger area compared to Delhi, leading to a lower population density.
Understanding population density is crucial for urban planning, resource allocation, and policy-making. It helps in assessing the pressure on infrastructure, services, and the environment in different regions. In the case of Delhi, the high population density necessitates robust urban planning and infrastructure development to manage the demands of a large population in a limited space.
In summary, Delhi's high population density is a result of its urban nature and limited land area, making it the region with the highest population density in India as per the 2011 census data.