Man, Isle of: lowest 10%: NA%

highest 10%: NA%

Marshall Islands: lowest 10%: NA%

highest 10%: NA%

Martinique: lowest 10%: NA%

highest 10%: NA%

Mauritania: lowest 10%: 2.3%

highest 10%: 29.9% (1995)

Mauritius: lowest 10%: NA%

highest 10%: NA%