Population 127,117,967 (July 1999 est.) Age structure 0-14 years: 38% (male 24,516,722; female 23,346,904) 15-64 years: 59% (male 38,441,064; female 36,586,743) 65 years and over: 3% (male 2,303,613; female 1,922,921) (1999 est.) Population growth rate 1.59% (1999 est.) Birth rate 25.2 births/1,000 population (1999 est.) Death rate 8.5 deaths/1,000 population (1999 est.) Net migration rate -0.79 migrant(s)/1,000 population (1999 est.) Sex ratio At birth: 1.06 male(s)/female Under 15 years: 1.05 male(s)/female 15-64 years: 1.05 male(s)/female 65 years and over: 1.2 male(s)/female Total population: 1.06 male(s)/female (1999 est.) Infant mortality rate 69.68 deaths/1,000 live births (1999 est.) Life expectancy at birth Total population: 60.6 years Male: 60.73 years Female: 60.46 years (1999 est.) Total fertility rate 2.86 children born/woman (1999 est.) Nationality Noun: Bangladeshi(s) Adjective: Bangladesh Ethnic groups Bengali 98%, Biharis 250,000, tribals less than 1 million Religions Muslim 88.3%, Hindu 10.5%, other 1.2% Languages Bangla (official), English Literacy Definition: age 15 and over can read and write Total population: 38.1% Male: 49.4% Female: 26.1% (1995 est.)