TNPSC Thervupettagam

Geotagging in Census 2026

September 15 , 2025 16 hrs 0 min 14 0
  • Geotagging will be conducted during the House listing Operations (HLO), the first phase of the Census, scheduled for April-September 2026.
  • Enumerators will use smartphones to mark the exact latitude and longitude coordinates of each building on a Geographic Information System (GIS) map.
  • Each building will be assigned a unique geotag, providing precise locational identity on digital maps.
  • Buildings will be classified as residential, non-residential, partly residential, or landmark, with data on Census houses and households collected.
  • This is the first time geotagging is being used nationwide in the Census; earlier exercises relied on hand-drawn sketches for house listing.
  • The last Census (2011) recorded 330.84 million houses, of which 306.16 million were occupied.

 

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