Population density of NCT of Delhi soared by 21.20% from 9,340 people per square kilometer in 2001 to 11,320 people per square kilometer in 2011. Since the 52.47% surge in 1961, population density rocketed by 531.34% in 2011. Notes: a. Includes estimated population of Paomata, Mao Maram and Purul sub-divisions of Senapati District of Manipur for 2001. b. For working out the density of India and Jammu & Kashmir the entire area and population of those portions of Jammu & Kashmir which are under illegal occupation of Pakistan and China have not been taken into account. c. India figures include estimated figures for those of the three sub-divisions viz. Mao Maram, Paomata and Purul of Senapati district of Manipur as population census 2001 in these three subdivisions were cancelled due to technical and administrative reasons although a population census was carried out in this sub-division as per schedule.

Chart and table of population level and growth rate for the Delhi, India metro area from 1950 to 2025.

11.320 (People per square kilometer) in 2011. Notes: a. Includes estimated population of Paomata, Mao Maram and Purul sub-divisions of Senapati District of Manipur for 2001. b. For working out the density of India and Jammu & Kashmir the entire area and population of those portions of Jammu & Kashmir which are under illegal occupation of Pakistan and China have not been taken into account. c. India figures include estimated figures for those of the three sub-divisions viz. Mao Maram, Paomata and Purul of Senapati district of Manipur as population census 2001 in these three subdivisions were cancelled due to technical and administrative reasons although a population census was carried out in this sub-division as per schedule.

As of the year 2024, the population of the capital city of India, Delhi, was over ** million people. This was a **** percent growth from last year. The historical trends show a trend of slowing growth rate over the decades, especially post-2000. However, the population growth rate in the last three years has been the lowest during the recorded period. As per UN estimates, population growth is expected to slow down to **** percent in 2030.

In 2022, the union territory of Delhi had the highest urban population density of over 18 thousand persons per square kilometer. While the rural population density was highest in union territory of Puducherry, followed by the state of Bihar.

Delhi was the largest city in terms of number of inhabitants in India in 2023.The capital city was estimated to house nearly 33 million people, with Mumbai ranking second that year. India's population estimate was 1.4 billion, ahead of China that same year.

Market Size for India Consumer Electronics Market on the Basis of Revenue in INR Crores, FY’2018-FY’2024 In 2023, Xiaomi launched a new series of smart televisions with integrated AI-based voice assistance to enhance the user experience. This initiative aims to tap into the growing market for smart home devices and offer consumers an integrated entertainment solution. Key regions such as Maharashtra and Delhi NCR are the largest contributors due to their high population density, robust retail infrastructure, and growing technology adoption. The India consumer electronics market reached a valuation of INR 7.5 Trillion in 2023, driven by the increasing demand for smartphones, televisions, and home appliances. The growth is attributed to the rising disposable incomes, increased urbanization, and the proliferation of digital platforms. The market is characterized by major players such as Samsung, LG, Xiaomi, Sony, and Panasonic, which have a strong presence and extensive distribution networks across the country. These companies are recognized for their innovative product offerings, diverse portfolios, and customer-centric services.

As of 2025, Tokyo-Yokohama in Japan was the largest world urban agglomeration, with 37 million people living there. Delhi ranked second with more than 34 million, with Shanghai in third with more than 30 million inhabitants.

In 1800, the population of the region of present-day India was approximately 169 million. The population would grow gradually throughout the 19th century, rising to over 240 million by 1900. Population growth would begin to increase in the 1920s, as a result of falling mortality rates, due to improvements in health, sanitation and infrastructure. However, the population of India would see it’s largest rate of growth in the years following the country’s independence from the British Empire in 1948, where the population would rise from 358 million to over one billion by the turn of the century, making India the second country to pass the billion person milestone. While the rate of growth has slowed somewhat as India begins a demographics shift, the country’s population has continued to grow dramatically throughout the 21st century, and in 2020, India is estimated to have a population of just under 1.4 billion, well over a billion more people than one century previously. Today, approximately 18% of the Earth’s population lives in India, and it is estimated that India will overtake China to become the most populous country in the world within the next five years.

As of 2019, the capital Indian territory of Delhi had the highest density of nurses and midwives of about 31 per ten thousand people in the country. However, Bihar had the least density of nurses and midwives in the country of about two per ten thousand people in the state.

In the financial year 2023, the average number of vehicles per one thousand inhabitants in Delhi, India, was 473. Vehicles to population ratio in Delhi experienced steady and subsequent increases from financial year 2006 until 2021, when it reached a peak of 655 vehicles per thousand inhabitants.