The 2009 CIA World Factbook

by United States. Central Intelligence Agency

Pakistan
lowest 10%: 3.9%
highest 10%: 26.5% (2005)

Palau
lowest 10%: NA%
highest 10%: NA%

Panama
lowest 10%: 0.8%
highest 10%: 41.4% (2006)

Papua New Guinea
lowest 10%: 1.7%
highest 10%: 40.5% (1996)

Paraguay
lowest 10%: 1.1%
highest 10%: 42.3% (2007)

Peru
lowest 10%: 1.5%
highest 10%: 37.9% (2006)

Philippines
lowest 10%: 2.4%
highest 10%: 31.2% (2006)

Poland
lowest 10%: 3%
highest 10%: 27.2% (2005)

Portugal
lowest 10%: 3.1%
highest 10%: 28.4% (1995 est.)

Puerto Rico
lowest 10%: NA%
highest 10%: NA%