Mauritania
0-14 years: 45.6% (male 726,376/female 723,013)
15-64 years: 52.2% (male 818,408/female 839,832)
65 years and over: 2.2% (male 28,042/female 41,717) (2006 est.)
Mauritius
0-14 years: 23.9% (male 149,486/female 147,621)
15-64 years: 69.5% (male 430,288/female 431,753)
65 years and over: 6.6% (male 31,939/female 49,740) (2006 est.)
Mayotte
0-14 years: 46% (male 46,512/female 46,067)
15-64 years: 52.3% (male 56,899/female 48,274)
65 years and over: 1.7% (male 1,756/female 1,726) (2006 est.)
Mexico
0-14 years: 30.6% (male 16,770,957/female 16,086,172)
15-64 years: 63.6% (male 33,071,809/female 35,316,281)
65 years and over: 5.8% (male 2,814,707/female 3,389,599) (2006 est.)
Micronesia, Federated States of 0-14 years: 36.6% (male 20,116/female 19,391) 15-64 years: 60.4% (male 32,620/female 32,659) 65 years and over: 3% (male 1,413/female 1,805) (2006 est.)
Moldova
0-14 years: 20% (male 455,673/female 438,934)
15-64 years: 69.7% (male 1,498,078/female 1,613,489)
65 years and over: 10.3% (male 170,456/female 290,076) (2006 est.)
Monaco
0-14 years: 15.2% (male 2,539/female 2,417)
15-64 years: 62.1% (male 9,959/female 10,266)
65 years and over: 22.6% (male 3,015/female 4,347) (2006 est.)
Mongolia
0-14 years: 27.9% (male 402,448/female 387,059)
15-64 years: 68.4% (male 967,546/female 969,389)
65 years and over: 3.7% (male 45,859/female 59,923) (2006 est.)
Montserrat
0-14 years: 23.3% (male 1,125/female 1,079)
15-64 years: 65.7% (male 2,957/female 3,245)
65 years and over: 10.9% (male 532/female 501) (2006 est.)
Morocco
0-14 years: 31.6% (male 5,343,976/female 5,145,019)
15-64 years: 63.4% (male 10,505,018/female 10,580,599)
65 years and over: 5% (male 725,116/female 941,531) (2006 est.)