New Zealand
0-14 years: 20.9% (male 446,883/female 424,240)
15-64 years: 66.5% (male 1,390,669/female 1,385,686)
65 years and over: 12.6% (male 238,560/female 287,422) (2008 est.)
Nicaragua
0-14 years: 34.6% (male 1,019,281/female 981,903)
15-64 years: 62.1% (male 1,792,398/female 1,803,133)
65 years and over: 3.3% (male 82,840/female 106,291) (2008 est.)
Niger
0-14 years: 47% (male 3,174,834/female 3,057,003)
15-64 years: 50.6% (male 3,450,393/female 3,267,496)
65 years and over: 2.4% (male 159,945/female 163,008) (2008 est.)
Nigeria
0-14 years: 41.7% (male 31,171,949/female 29,806,204)
15-64 years: 55.3% (male 41,243,003/female 39,611,565)
65 years and over: 3% (male 2,152,318/female 2,270,267) (2008 est.)
Niue
0-14 years: NA
15-64 years: NA
65 years and over: NA
Norfolk Island
0-14 years: 20.2%
15-64 years: 63.9%
65 years and over: 15.9% (2007 est.)
Northern Mariana Islands
0-14 years: 18.4% (male 8,342/female 7,594)
15-64 years: 79.9% (male 27,996/female 41,245)
65 years and over: 1.7% (male 740/female 699) (2008 est.)
Norway
0-14 years: 18.8% (male 446,146/female 426,166)
15-64 years: 66.2% (male 1,559,750/female 1,516,217)
65 years and over: 15% (male 297,175/female 399,003) (2008 est.)
Oman
0-14 years: 42.7% (male 721,796/female 692,699)
15-64 years: 54.5% (male 1,053,040/female 752,962)
65 years and over: 2.8% (male 51,290/female 39,853) (2008 est.)
Pakistan
0-14 years: 37.8% (male 33,617,953/female 31,741,258)
15-64 years: 58% (male 51,292,535/female 48,921,023)
65 years and over: 4.2% (male 3,408,749/female 3,818,533) (2008 est.)