Mali
0-14 years: 48.2% (male 3,004,003/female 2,937,138)
15-64 years: 48.7% (male 2,976,314/female 3,028,433)
65 years and over: 3.1% (male 150,597/female 227,544) (2008 est.)
Malta
0-14 years: 16.4% (male 33,954/female 32,158)
15-64 years: 69.7% (male 142,338/female 138,792)
65 years and over: 13.9% (male 24,240/female 32,050) (2008 est.)
Marshall Islands
0-14 years: 38.5% (male 12,404/female 11,946)
15-64 years: 58.6% (male 18,937/female 18,095)
65 years and over: 2.8% (male 869/female 923) (2008 est.)
Mauritania
0-14 years: 45.3% (male 763,845/female 759,957)
15-64 years: 52.5% (male 872,924/female 894,980)
65 years and over: 2.2% (male 29,147/female 44,087) (2008 est.)
Mauritius
0-14 years: 23% (male 148,573/female 143,859)
15-64 years: 70.1% (male 443,968/female 449,670)
65 years and over: 6.9% (male 35,269/female 52,850) (2008 est.)
Mayotte
0-14 years: 45.5% (male 49,521/female 48,996)
15-64 years: 52.7% (male 61,267/female 52,641)
65 years and over: 1.8% (male 1,971/female 1,910) (2008 est.)
Mexico
0-14 years: 29.6% (male 16,619,995/female 15,936,154)
15-64 years: 64.3% (male 34,179,440/female 36,530,154)
65 years and over: 6.1% (male 3,023,185/female 3,666,472) (2008 est.)
Micronesia, Federated States of 0-14 years: 35.3% (male 19,344/female 18,687) 15-64 years: 61.8% (male 33,142/female 33,389) 65 years and over: 2.9% (male 1,320/female 1,783) (2008 est.)
Moldova
0-14 years: 16.3% (male 361,000/female 341,785)
15-64 years: 72.9% (male 1,528,080/female 1,622,620)
65 years and over: 10.9% (male 174,448/female 296,517) (2008 est.)
Monaco
0-14 years: 14.8% (male 2,488/female 2,369)
15-64 years: 62.4% (male 10,110/female 10,353)
65 years and over: 22.8% (male 3,048/female 4,428) (2008 est.)