List of million-plus urban agglomerations in India

India is a country in South Asia and is the seventh-largest country by geographical area, the most-populous country with more than 1.4 billion people, home to nearly 17.5 percent of the world's population. India consists of twenty-eight states and eight union territories.

Census
The first official population census of India was conducted in 1872 and every ten years since 1951 by the office of the Registrar General and Census Commissioner under the Ministry of Home Affairs. The latest official census was conducted in 2011.

As per Government of India, an urban agglomeration is a continuous urban spread constituting a town and its adjoining outgrowths (OGs), or two or more physically contiguous towns together with or without outgrowths of such towns. An Urban Agglomeration must consist of at least a statutory town and its total population should not be less than 20,000 as per the 2001 Census. In varying local conditions, there were similar other combinations that have been treated as urban agglomerations satisfying the basic condition of contiguity.

Following is the list of urban agglomerations in India with a population of more than one million as per the 2011 census. As per the 2011 census, there were 50 urban agglomerations or cities with population of one million and above.


 * Bold represents the capital of the respective state or union territory or the capital is part of the respective urban agglomeration

Demographia
As per Demographia, a urban built-up area consists of all continuous and non-continuous urban areas within a metropolitan area. As per the 2023 report, there were 65 urban areas with more than one million population in India.