Irrigated land:
400 sq km (1998 est.)
Natural hazards:
periodic droughts; hurricanes
Environment - current issues:
erosion; occasional drought causing water shortages
Geography - note:
important location along the Mona Passage - a key shipping lane to
the Panama Canal; San Juan is one of the biggest and best natural
harbors in the Caribbean; many small rivers and high central
mountains ensure land is well watered; south coast relatively dry;
fertile coastal plain belt in north
People Puerto Rico
Population:
3,885,877 (July 2003 est.)
Age structure:
0-14 years: 22.9% (male 454,908; female 434,555)
15-64 years: 65.2% (male 1,212,764; female 1,322,356)
65 years and over: 11.9% (male 200,669; female 260,625) (2003 est.)
Median age:
total: 33.3 years
male: 31.6 years
female: 34.9 years (2002)
Population growth rate:
0.58% (2003 est.)
Birth rate:
15 births/1,000 population (2003 est.)