Mega Manila

Philippine Information Agency

Mega Manila, as a loose metropolitan area defined by the Philippine Information Agency (PIA), is divided into the National Capital Region (Metro Manila) and the suburbs of Central Luzon, Calabarzon, and Mimaropa.^[2]

Mega Manila's 2015 population was projected at 40,368,979 or 40% of the country's population, and covers roughly half of Luzon, with an area of 52,097.66 square kilometers, including many rural areas.^{[citation needed]}

National Economic and Development Authority

The National Economic and Development Authority (NEDA) defines Mega Manila as Metro Manila and the surrounding specific provinces of Bulacan, Rizal, Cavite, and Laguna, especially on its study "Roadmap for Transport Infrastructure Development for Metro Manila and its Surrounding Areas (Region III and Region IV-A)".^[3]

Notably, these collection of areas is also known as the Greater Manila Area. Meanwhile, the NEDA study, which is a collaboration with the Japan International Cooperation Agency (JICA), considers Metro Manila, Central Luzon, and Calabarzon as the Greater Capital Region (GCR).^[3]

TV rating companies

TV ratings agency AGB Nielsen Philippines and Kantar Media Philippines consider Metro Manila and the provinces of Bulacan, Cavite, Laguna and Rizal as "Mega Manila"^[4] for their TV ratings gathering (area highlighted in blue on the map), a much stricter definition than the PIA. Using census population in 2010^[5] the area has a population of 25,066,000 or about 26.6% of the population in an area roughly the size of Los Angeles County and average density over 2000 people per square kilometer. As a comparison, only the cities of Tokyo, Jakarta, and Mexico City have reached 25 million people, Shanghai may have but there is not enough detail in suburban statistics on it. Both Mega Manila definitions only include entire provinces, without finer detail.

This Nielsen defined area has a higher ownership of televisions per household anywhere in the country due to its relative economic prosperity as compared to other areas in the country. Radio ratings agency Radio Research Council (provided by KBP) also provide measurement of audience ratings.

The stricter Nielsen definition closer reflects the built-up area surrounding Manila than the PIA definition, Yet even the Nielsen definition of Mega Manila cannot be merely equated to the built-up area; the Nielsen definition includes significant undeveloped forested areas, while completely excluding contiguous developed settlements in such places like northern Batangas. Thus the academic definition as used for urban studies for built-up area surrounding Manila requires yet another term (e.g. Greater Manila Area) to disambiguate from the already used terms Mega Manila and Metro Manila.

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Comparison of definitions by source

Source	Term	NCR	Central Luzon							Calabarzon					Mimaropa
			AUR	BAN	BUL	NUE	PAM	TAR	ZMB	BTG	CAV	LAG	QUE	RIZ	MAD	PLW	ROM	MDC	MDR
Mega Manila
PIA	Mega Manila
AGB Nielsen
Kantar Media
NEDA, JICA
Other terms
—	Greater Manila Area
NEDA, JICA	Greater Capital Region

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Metro Manila

Officially called the National Capital Region, it consists the Philippines' capital city Manila, 15 other cities, and one municipality. It is the seat of government of the Philippines. The cities of Metro Manila are the following:

Greater Manila Area

The continuous region surrounding the Metropolitan Manila area. The provinces and the cities inside Greater Manila Area are the following:

Greater Capital Region

A concept used by urban planners to refer to a region consisting the three regions of Metro Manila, Central Luzon, and Calabarzon. It is used by JICA and NEDA as reference in their planning works. The provinces and cities in the Greater Capital Region are the following: