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Mumbai, the capital of Maharashtra, is India’s financial, commercial, and entertainment hub. It is one of the most densely populated urban regions in the world and consistently ranks among the largest metropolitan areas globally.
However, the population of Mumbai often creates confusion because the term “Mumbai” can refer to three different geographical definitions — and each has a different official population figure:
Mumbai City (Greater Mumbai) – City Proper
Mumbai City District & Mumbai Suburban District (Administrative Units)
Mumbai Metropolitan Region (MMR) – Wider Metro Area
Understanding this distinction is important to get the correct population number.
Mumbai City Population (Greater Mumbai)
Mumbai City, officially known as Greater Mumbai, is governed by the Municipal Corporation of Greater Mumbai.
As per Census 2011:
👉 Population of Mumbai City (Greater Mumbai): 1,24,42,373 (1.25 Crore)
Estimated Population of Mumbai City in 2026:
👉 Around 1.45 Crore (14.5 million)
This figure represents the population living within the official municipal limits of Mumbai.
Mumbai’s Two Administrative Districts
Greater Mumbai is divided into two districts:
Mumbai City District
Covers South Mumbai
Area: 157 sq. km
Population (2011): 30.85 lakh
Surrounded by the Arabian Sea and Thane Creek
Mumbai Suburban District
Covers Western & Eastern Suburbs
Area: 369 sq. km
Population (2011): 93.56 lakh
One of the most densely populated districts in India
👉 Mumbai City District + Mumbai Suburban District together form Greater Mumbai (1.25 Crore in 2011).
Mumbai Metropolitan Region (MMR) Population
The Mumbai Metropolitan Region (MMR) is much larger than Mumbai City.
It includes Greater Mumbai plus surrounding urban bodies such as:
Thane
Navi Mumbai
Kalyan-Dombivli
Mira-Bhayandar
Ulhasnagar
Ambarnath
Badlapur
As per Census 2011:
Mumbai Urban Agglomeration / MMR Population: 1,84,14,288 (1.84 Crore)
Current estimates suggest the MMR population has crossed 2.2 Crore, making it India’s second-largest metro region after Delhi NCR.
National & Global Position
Mumbai is:
India’s financial capital
One of the world’s largest metropolitan regions
Among the top 10 most populated urban areas globally
A major migration destination from across India
Quick Summary (For Clear Understanding)
Mumbai City (Greater Mumbai) → 1.25 Crore (2011)
Estimated Mumbai City (2026) → 1.45 Crore
Mumbai Metropolitan Region (2011) → 1.84 Crore
Current MMR Estimate → 2+ Crore
Religion in Mumbai
In the city of Mumbai, Hinduism is the most widely practiced religion, with 65.99% of the population following it. Islam is the second most popular religion, with approximately 20.65% of the population adhering to it. Christianity is followed by 3.27%, Jainism by 4.10%, Sikhism by 0.49%, and Buddhism by 4.85% of the population. Only around 0.26% of the population identifies as having “No Particular Religion,” while 0.40% follow an “Other Religion.”
Religion percentage in Mumbai
| Religion | Percentage |
| Hindu | 65.99% |
| Muslims | 20.65% |
| Buddhist | 4.85% |
| Jain | 4.10% |
| Christian | 3.27% |
| Sikh | 0,49% |
| Others | 0.26% |
| Not Stated | 0.40% |
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