: 27.2 years
female: 30.5 years (2006 est.)

Kenya
total: 18.2 years
male: 18.1 years
female: 18.3 years (2006 est.)

Kiribati
total: 20.2 years
male: 19.8 years
female: 20.8 years (2006 est.)

Korea, North
total: 32 years
male: 30.7 years
female: 33.4 years (2006 est.)

Korea, South
total: 35.2 years
male: 34.2 years
female: 36.3 years (2006 est.)

Kuwait
total: 25.9 years
male: 28 years
female: 22.3 years (2006 est.)

Kyrgyzstan
total: 23.6 years
male: 22.8 years
female: 24.5 years (2006 est.)

Laos
total: 18.9 years
male: 18.6 years
female: 19.2 years (2006 est.)

Latvia
total: 39.4 years
male: 36.3 years
female: 42.4 years (2006 est.)

Lebanon
total: 27.8 years
male: 26.7 years
female: 28.9 years (2006 est.)

Lesotho
total: 20.3 years
male: 19.7 years
female: 21 years (2006 est.)

Liberia
total: 18.1 years
male: 18 years
female: 18.3 years (2006 est.)

Libya
total: 23 years
male: 23.1 years
female: 22.9 years (2006 est.)

Liechtenstein
total: 39.6 years
male: 39.2 years
female: 40.1 years (2006 est.)

Lithuania
total: 38.2 years
male: 35.7 years
female: 40.8 years (2006 est.)

Luxembourg
total: 38.7 years
male: 37.7 years
female: 39.7 years (2006 est.)

Macau
total: 36.1 years
male: 35.7 years
female: 36.4 years (2006 est.)

Macedonia
total: 34.1 years
male: 33.2 years
female: 35.1 years (2006 est.)

Madagascar
total: 17.5 years
male: 17.3 years
female: 17.7 years (2006 est.)

Malawi
total: 16.5 years
male: 16.2 years
female: 16.8 years (2006 est.)

Malaysia
total: 24.1 years
male: 23.6 years
female: 24.8 years (2006 est.)

Maldives
total: 17.9 years
male: 17.8 years
female: 18 years (2006 est.)

Mali
total: 15.8 years
male: 15.4 years
female: 16.3 years (2006 est.)

Malta
total: 38.7 years
male: 37.2 years
female: 40.1 years (2006 est.)

Marshall Islands
total: 20.3 years
male: 20.4 years
female: 20.3 years (2006 est.)

Mauritania
total: 17 years
male: 16.8 years
female: 17.3 years (2006 est.)

Mauritius
total: 30.8 years
male: 30 years
female: 31.8 years (2006 est.)

Mayotte
total: 17 years
male: 18 years
female: 16 years (2006 est.)

Mexico
total: 25.3 years
male: 24.3 years
female: 26.2 years (2006 est.)

Micronesia, Federated States of
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