Population density of islands with over 1 million people on them, ranked by persons per square kilometer 143750 Zhongchan 29817 Salsette 26825 Manhattan 15530 Hong_Kong 6394 Singapore 3455 Montreal_Ile 2039 Long_Island 1073 Dakhin_Shahbazpur 959 Okinawa 865 Jawa 677 Madura 626 Taiwan 611 Mauritius 595 Cebu 584 Lombok 526 Bali 447 Honshu 419 Puerto_Rico 342 Kyushu 320 Luzon 278 Sri_Lanka 278 Sjaelland 268 Panay 268 Great_Britain 265 Negros 248 Leyte 238 Jamaica 229 Hainan 226 Shikoku 216 Trinidad 212 Hispaniola 198 Sicilia 153 Mindanao 107 Samar 105 Cuba 99 Flores 95 Sumatera 72 Hokkaido 69 Ireland 68 Sardegna 63 Timor 62 Sulawesi 25 North_Island 24 Madagascar 18 Borneo 6 New_Guinea Flimsy attempt by DJ, http://jidanni.org/geo/islands/ 2005-11-02