According to the Census of India, 2011, the populations of the Union Territories listed were approximately: - Lakshadweep: 64,473 - Daman & Diu: 243,247 - Dadra & Nagar Haveli: 343,709 - Andaman & Nicobar Islands: 380,581 Comparing these figures, Lakshadweep had the lowest population among the given options and was the least populous UT in India in 2011.