Basai () is a village in Tundla block of Firozabad district, Uttar Pradesh. As of 2011, it has a population of 2,432, in 408 households.
As of 2011, Basai had a population of 2,432, in 408 households. This population was 53.9% male (1,312) and 46.1% female (1,120). The 0-6 age group numbered 405 (231 male and 174 female), making up 17.8% of the total population. 1,198 residents were members of Scheduled Castes, or 33.2% of the total.
The 1981 census recorded Basai as having a population of 1,239 people (708 male and 531 female), in 195 households and 193 physical houses.
The 1961 census recorded Basai as comprising 1 hamlet, with a total population of 812 people (428 male and 384 female), in 136 households and 98 physical houses. The area of the village was given as 684 acres.
As of 2011, Basai had 3 primary schools; it did not have any healthcare facilities. Drinking water was provided by hand pump and tube well/borehole; there were no public toilets. The village had a public library but no post office; there was at least some access to electricity for all purposes. Streets were made of both kachcha and pakka materials.