The sex ratio is 973 females to 1,000 males. The birth rate was 15.70 per 1,000 people in 2007. Goa also is the state with lowest proportion of Scheduled Tribes at 0.04%.[54] The migrant, or non-Goan Indian origin, the population is currently over 50% of the resident population, outnumbering the native ethnic Goan population.[55]