Nepal is populated country. According 2058 B.S census its population is 2,31,51,423. According to 2068 B.S census its population 2,66,20,809. Its population growth rate is 14.99 % . Its population density is 181 people per sq. km. According to 2068 B.S census Kathamandu has the largest population (17,40,977) and Manang has the least population (6,527) . Among three geographical region Terai has the maximun population density (392 people per sq.km) and Himalayan region has least population (35 people per sq km). Central development has the maximum and Far western has minimun population. According to 2068 B.S census female has the highest population than male population. Nepal is facing rapid population growth due to illetracy, high birth rate, low death rate, high infant mortality rate , due to superstitious belief. Tho Nepal is very smaller than Australia, but population of Nepal is larger than Australia.