The top five regions by population (as of the 2010 Census and Housing Population by the National Statistics Office) are:
region 4
according to the University of Bradford (Human Economics department the most populated region in the Philippines is Calabarzon
The second most populated region, as of the 2010 Census and Housing Population by the National Statistics Office, is:National Capital Region (NCR) at 11,855,975The most populated regions is Calabarzon (Region IV-A) at 12,609,803.
Japan is the most populated region in the world.
manila,pateros ,mandaluyong,caloocan&san juan
Most Densely Populated ProvinceAs of 2000, Cavite province in Southern Tagalog was the most densely populated among provinces with 1,602 inhabitants per square kilometer while Apayao province in Cagayan Valley was the most sparsely populated with only 24 persons per square kilometer.Most Populated ProvinceCebu province, including its 6 cities, had a total population of 3.1 million as of 2000, the highest among the country's 79 provinces. Other highly populated provinces were Pangasinan, with 2.434 million inhabitants; Bulacan, 2.23 million; Negros Occidental, 2.14 million; and Cavite, 2.06 million.avb (cher 09)_
Toronto
London is not a region.......
The most sparsely populated region in the world is the Sahara Desert in Africa. It is one of the hottest and largest deserts on Earth, covering over 9 million square kilometers with very low population density due to its extreme arid conditions.
india
Antarctica.
Toronto