| World Population Day | Observed annually on July 11th to address global population challenges and opportunities. |
| Global Population (2024) | Estimated at 8 billion. |
| Projected Global Population | 8.5 billion by 2030, 9.7 billion by 2050, and 10.9 billion by 2100. |
| India's Population (2024) | Surpassed 1.4 billion, making it the most populous country globally. |
| India's Age Distribution | 68% (15-64 years), 26% (10-24 years). |
| India's Fertility Rate (TFR) | Declined from 2.2 (NFHS 4, 2015-16) to 2.0 (NFHS 5, 2019-21). |
| India's Population Projection | Expected to stabilize or decline around 2050. |
| India's Annual Growth Rate | Just under 1% annually. |
| Top 10 Populated Indian Cities | Delhi, Mumbai, Kolkata, Bangalore, Chennai, Hyderabad, Ahmedabad, Surat, Pune, Jaipur. |
| Delhi Population (2024) | 33.8 million, world's 2nd most populous city. |
| Mumbai Population (2024) | 21.6 million, world's 9th most populous city. |
| Kolkata Population (2024) | 15.5 million, world's 18th most populous city. |
| Bangalore Population (2024) | 14 million, world's 23rd most populous city. |
| Chennai Population (2024) | 12 million, world's 28th most populous city. |
| Hyderabad Population (2024) | 11 million, world's 34th most populous city. |
| Ahmedabad Population (2024) | 8.8 million, world's 45th most populous city. |
| Surat Population (2024) | 8.3 million, world's 50th most populous city. |
| Pune Population (2024) | 7.3 million, world's 58th most populous city. |
| Jaipur Population (2024) | 4.3 million, world's 112th most populous city. |
