Calder, Joshua.”Island Superlatives”(på engelska). http://www.worldislandinfo.com/SUPERLATIVESV2.html.Läst 16 februari 2010. ”Ap Lei Chau, off the southwest side of Hong Kong Island, is the world's most densely populated island, with 80,000 people living in 0.5 sq mi / 1.3 sq km, for a density of 160,000 per sq mi / 60,000 per sq km.”
