It is estimated that India will overtake China as the world's most dangerous nation by 2030. India's population growth has given rise to concerns that it will lead to widespread unemployment and political instability. Keep in mind that these estimates are fantasies about future fertility and mortality rates, which may not be true in nature. Can occur. Fertility rates also vary by region; Some are above the national average and some are below.
Hindus make up 79.8% (96.8 crore) of the population. Muslims constitute 14.2% of the population (17.2 million according to the census) compared to 11% in the previous tenure.The census data of India in August 2011 Was released. It revealed that 2,870,000 people did not state any religion in their response, about 0.27% of the country's population. However, the number included atheists, rationalism, and those who believed in a higher power. The "other" option was for minor or tribal religions as well as for atheist and agnosticism.
Hindi is the most widely spoken language in the northern parts of India. The Indian Census takes the widest possible definition of "Hindi" as a wide variety of "Hindi". According to the 2011 Census, 57.1% of the Indian population knows Hindi  with 43.63% of Indian people declaring Hindi as their native language or mother tongue.
Language data was released on 26 June 2018. Bhili / Bhilodi was the most spoken scheduled language with 1.04 crore speakers, followed by Gondi with 29 lakh speakers. In the 2011 census 96.71% of India's population speaks one of the 22 scheduled languages as their mother tongue.
The 2011 Census Report on Bilingualism and Trilingualism, which provides data on two languages in order of priority in which a person is proficient in other than the mother tongue, was released in September 2018. India The number of bilingual speakers in India is 31.49 crore, which is 26% of the population in 2011. 7% of the Indian population is trilingual. Hindi, Bengali speakers are the lowest multilingual group in India.