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It has a land frontier of 15,200 km (9,445 mi) and a coastline of 7,516.6 km (4,671 mi). [ 1 ] On the south, India projects into and is bounded by the Indian Ocean —in particular, by the Arabian Sea on the west, the Lakshadweep Sea to the southwest, the Bay of Bengal on the east, and the Indian Ocean proper to the south.
Geodemography is the study of people based on where they live [citation needed]; it links the sciences of demography, the study of human population dynamics, and geography, the study of the locational and spatial variation of both physical and human phenomena on Earth, [1] along with sociology.
It focuses on how populations are distributed across space, the factors influencing these distributions, and the implications for resources, environment, and societal development. This branch of geography integrates demographic data with spatial analysis to understand patterns such as population density, urbanization, and migration trends.
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In 2023, the median age of an Indian was 29.5 years, [19] compared to 39.8 for China and 49.5 for Japan; and, by 2030; India's dependency ratio will be just over 0.4. [20] However, the number of children in India peaked more than a decade ago and is now falling. The number of children under the age of five peaked in 2007, and since then the ...
India consists of 28 states and 8 union territories, including the National Capital Territory of Delhi with Rajasthan being largest in land area. [ 1 ] [ 2 ] [ 3 ] Rajasthan (10.411%)
English: Indian Land Areas Judicially Established 1978 and American Indian Reservations This map was created by the Bureau of Indian Affairs (BIA) Office of Trust Services (OTS) Division of Water and Power (DWP) and is currently retained and disseminated by the BIA Branch of Geospatial Support (BOGS) function, Lakewood, CO. Plot Date: July 2015
Joseph E. Schwartzberg (2008) proposes that the Bronze Age [[Indus Valley Civilization]] (c. 2500–1900 BCE) may have known "cartographic activity" based on a number of excavated surveying instruments and measuring rods and that the use of large scale constructional plans, cosmological drawings, and cartographic material was known in India with some regularity since the Vedic period (1st ...