6.48 years (2005 est.)

Nepal
total population: 59.8 years
male: 60.09 years
female: 59.5 years (2005 est.)

Netherlands
total population: 78.81 years
male: 76.25 years
female: 81.51 years (2005 est.)

Netherlands Antilles
total population: 75.83 years
male: 73.58 years
female: 78.2 years (2005 est.)

New Caledonia
total population: 74.04 years
male: 71.07 years
female: 77.16 years (2005 est.)

New Zealand
total population: 78.66 years
male: 75.67 years
female: 81.78 years (2005 est.)

Nicaragua
total population: 70.33 years
male: 68.27 years
female: 72.49 years (2005 est.)

Niger
total population: 43.5 years
male: 43.54 years
female: 43.45 years (2005 est.)

Nigeria
total population: 46.74 years
male: 46.21 years
female: 47.29 years (2005 est.)

Niue
total population: NA
male: NA
female: NA

Norfolk Island
total population: NA
male: NA
female: NA

Northern Mariana Islands
total population: 75.88 years
male: 73.31 years
female: 78.61 years (2005 est.)

Norway
total population: 79.4 years
male: 76.78 years
female: 82.17 years (2005 est.)

Oman
total population: 73.13 years
male: 70.92 years
female: 75.46 years (2005 est.)

Pakistan
total population: 63 years
male: 62.04 years
female: 64.01 years (2005 est.)

Palau
total population: 70.14 years
male: 66.98 years
female: 73.48 years (2005 est.)

Panama
total population: 75.25 years
male: 72.68 years
female: 77.93 years (2005 est.)

Papua New Guinea
total population: 64.93 years
male: 62.76 years
female: 67.21 years (2005 est.)

Paraguay
total population: 74.89 years
male: 72.35 years
female: 77.55 years (2005 est.)

Peru
total population: 69.53 years
male: 67.77 years
female: 71.37 years (2005 est.)

Philippines
total population: 69.91 years
male: 67.03 years
female: 72.92 years (2005 est.)

Pitcairn Islands
total population: NA
male: NA
female: NA

Poland
total population: 74.74 years
male: 70.71 years
female: 79.03 years (2005 est.)

Portugal
total population: 77.53 years
male: 74.25 years
female: 81.03 years (2005 est.)

Puerto Rico
total population: 78.29 years
male: 74.35 years
female: 82.43 years (2005 est.)

Qatar
total population: 73.67 years
male: 71.15 years
female: 76.32 years (2005 est.)

Reunion
total population: 73.95 ye