0-14 years - : 26.4% (male 7,498,179/female 7,209,588)

15-24 years - : 18.3% (male 5,163,399/female 5,037,117)

25-54 years - : 43.1% (male 11,930,777/female 12,073,741)

55-64 years - : 7% (male 1,836,463/female 2,059,482)

65 years and over - : 5.3% (male 1,277,919/female 1,659,588) (2014 est.)

population pyramid - :

Total dependency ratio: 42.5 %

Youth dependency ratio: 35 %

Elderly dependency ratio: 7.6 %

Potential support ratio: 13.2 (2014 est.)

Total: 27.9 years

Male: 27.3 years

Female: 28.5 years (2014 est.)

at birth - : 1.06 male(s)/female

0-14 years - : 1.04 male(s)/female

15-24 years - : 1.03 male(s)/female

25-54 years - : 0.99 male(s)/female

55-64 years - : 0.99 male(s)/female

65 years and over - : 0.77 male(s)/female

total population - : 0.99 male(s)/female (2014 est.)

Total: 44.91 deaths/1,000 live births

Male: 51.35 deaths/1,000 live births

Female: 38.07 deaths/1,000 live births (2014 est.)

Total population: 65.94 years

Male: 63.57 years

Female: 68.46 years (2014 est.)

Improved:

Urban: 5.2% of population

Rural: 18.9% of population

Total: 14.3% of population (2012 est.)

Unimproved:

Degree of risk: very high

Food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever

Vectorborne diseases: dengue fever, malaria, and Japanese encephalitis

Water contact disease: leptospirosis

Animal contact disease: rabies

Note: highly pathogenic H5N1 avian influenza has been identified in this country, it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2013)

Definition: age 15 and over can read and write

Total population: 92.7%

Male: 95.1%

Female: 90.4% (2011 est.)