Columns: Administrative Region | Population (2002 census data) | Surface km 2 | Main Rivers | Average annual rainfall (mm) | Average annual runoff (mm) | Per capita average annual renewable water resources m 3
I - Tarapacá | 428594 | 58698 | Azapa River , Vítor River and Camarones River | 93.6 | 7.1 | 972 | II - Antofagasta | 493984 | 126444 | Loa River | 44.5 | 0.2 | 51 | III - Atacama | 254336 | 75573 | Salado River [ disambiguation needed ] | 82.4 | 0.7 | 208 | IV - Coquimbo | 603210 | 40656 | Elqui River , Choapa River and Limarí River | 222 | 18 | 1213 | V - Valparaíso | 1539852 | 16396 | Petorca River , La Ligua River and Aconcagua River | 434 | 84 | 894 | Metro Region(MR) - Santiago Metropolitan | 7003122 | 15349 | Maipo River | 650 | 200 | 438 | VII - Maule | 908097 | 30325 | Mataquito River and Maule River | 1,377 | 784 | 26181 | VIII - Biobío | 1861562 | 36929 | Itata River , Biobío River and Laja River | 1,766 | 1,173 | 23270