The Philippine Government

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Philippine Congress Timeline

I present to you one of my projects: the Philippine Congress Timeline.

Philippine Congress Timeline (Low-res)

Philippine Congress Timeline (File size: 8.43 MB)

The timeline lists in chronological order every Senator elected to the Senate since 1916, and every Representative elected to the House of Representatives since 1907. It includes Assemblymen of the unicameral National Assembly (1935-41) during the Commonwealth Period, and of the National Assembly of the Second Republic (1943-44) during the Japanese occupation. Also in the timeline are members of the Interim Batasang Pambansa (1978-84) and the Regular Batasang Pambansa (1984-86), parliaments during the Marcos administration.

It also shows the history of each legislative district in the Philippines. The districts are grouped by island group (Luzon, Visayas, and Mindanao), and then arranged by province in alphabetical order. Some provinces and cities in the timeline are associated with their “mother province” or “mother district” (where the district was originally part of in 1907), for presentation purposes. Leyte and Cebu had district reorganization (in 1961 and 1987, resp.), thus explaining the apparent “change of district numbers” in the said provinces.

There is also a timeline of former and current sectoral representatives. Sectoral representation in the Philippines was introduced in the Interim Batasang Pambansa in 1978. There have been only four former district representatives in history who were later elected as sectoral representatives (Luis Taruc, Salvador Britanico, Patricio Antonino, and Juan Miguel Arroyo).

Below the senators timeline, and between the district and sectoral timelines are Congress statistics, such as the number of new, re-elected, and returning Senators and Congressmen. There have been 237 Senators and 2,239 Representatives in Philippine history.

You can observe the prevalence of “political dynasties” in some provinces here in this timeline.


  • cells with yellow fill are two-term legislators; cells with orange fill are three-termers; cells with blue fill are four-termers; cells with green fill are legislators serving for five or more consecutive terms
  • cells with gray fill represent transitions between two representatives, due to the first one’s death, resignation or appointment to another post
  • names set in green text are “returning legislators”
  • names set in blue underlined text are Representatives later elected to Senate


The Philippine Congress Timeline is a result of nearly 15 months of researching, collecting, plotting, and verifying data from various sources:


The Excel file of the Philippine Congress Timeline is available by request. For a copy of the file, please reply to this blog with your e-mail address, or send an e-mail to michaelbueza@gmail.com.


15th Congress of the Philippines: House of Representatives

[last updated November 12, 2011]

The Philippine House of Representatives is composed of district and sectoral Congressmen, elected every three years. No Congressman can be elected for more than three consecutive terms.

In the 15th Congress, the Lower House has 285 seats. Each of the 229 legislative districts in the country elects one representative. The remaining 56 seats, 20% of the whole HoR membership, are allotted to sectoral (also known as party-list) representatives, elected indirectly and at-large.

(Voters vote for the party-list group, not its representative, who will be qualified by COMELEC and will only be known after the elections. The winning party-lists, and the number of seats each group obtain, are determined by a formula set forth in the Constitution.)


As of November 12, 2011, one House seat is vacant. Rep. Antonio Diaz [Zambales, 2nd District] died in office on August 3, 2011.


Rep. Florencio Vargas [Cagayan, 2nd District] died on July 22, 2010, four days before the 15th Congress’s inaugural session. Her daughter, Abulug, Cagayan vice mayor Baby Aline Vargas-Alfonso, replaced him in a special election in the district last March 12, 2011. She defeated former representative and governor Edgar Lara.

Ilocos Sur 1st District Rep. Ronald Singson was officially dropped from the House membership last March 7, after resigning six days prior. Singson was arrested at the Hong Kong International Airport last July 11, 2010, for bringing 6.67 grams of cocaine and two tablets of the narcotic Nitrazepam into the city. He pleaded guilty to the drug trafficking charge in a Hong Kong District Court last February 2011, but Rep. Singson cleared that the drugs were intended for personal use.

In a special election held last May 28, 2011, Vigan City vice mayor Ryan Singson defeated Bertrand Baterina to take his brother Ronald’s seat in Congress.

Rep. Solaiman Pangandaman (AA-KASOSYO party-list) resigned on July 13, 2011. Replacing him is former DAR Sec. Nasser Pangandaman, who was not on the five nominees listed by the party prior to the 2010 elections.


Sixty-five members of the Congress (51 district and 14 sectoral representatives) are women. This constitutes 22% of the total Congress membership. Prominent Congresswomen this 15th Congress include former Pres. Gloria Macapagal-Arroyo, former First Lady Imelda Marcos, actresses Lani Mercado and Lucy Torres, Gina de Venecia, and Ma. Amelita Villarosa.


Two Representatives are sought to be ousted, or are about to be ousted from Congress:

Congressmen by Political Party

The Liberal Party (LP) has 72 members in the 15th Congress, the most by any party. After the May 10 elections, as many as 24 Congressmen defected to LP, the political party of Pres. Benigno Aquino III. House Speaker Feliciano Belmonte, Jr. [Quezon City, 4th District], Majority Floor Leader Neptali Gonzales, Jr. [Mandaluyong City] and Deputy Speaker Lorenzo Tañada [Quezon, 4th District] are members of LP.

Formerly the majority party in the 14th Congress, the Lakas-Kampi-CMD Party now only has 62 members. Minority Leader Edcel Lagman [Albay, 1st District] and former Pres. Gloria Macapagal-Arroyo is of the party.

The Nationalist People’s Coalition (NPC) party of businessman Eduardo “Danding” Conjuangco, Jr. won 30 Congress seats. Deputy Speaker Arnulfo Fuentebella [Camarines Sur, 4th District] belongs to the party. The NPC has a strong following in the Negros Island, South Cotabato, Rizal, Tarlac, Camarines Sur, and the eastern part of Pangasinan.

Also with 30 seats is the newly-formed National Unity Party (NUP), composed of former Lakas-Kampi congressmen who defected to the Liberal Party. Its party chairman is Deputy Speaker Pablo Garcia [Cebu, 2nd District], while its president is Rep. Rodolfo Antonino [Nueva Ecija, 4th District].

The Nacionalista Party (NP), the oldest political party in the country, has 22 current Congressmen as members, including Deputy Speaker Jesus Crispin Remulla [Cavite, 7th District]. The NP is headed by defeated Presidential candidate Sen. Manny Villar.

Former Pres. Joseph Estrada’s Pwersa ng Masang Pilipino (PMP) is gaining ground in Congress, with five from the party representing the 1st District of Misamis Oriental, both districts of Cagayan de Oro City, San Juan City and Navotas City.

Vice President Jejomar Binay’s PDP-Laban Party has two members in Congress, both representing the two districts of Makati City, where Binay was Mayor from 1986 to 2010.

The Kilusang Bagong Lipunan (KBL), and Laban ng Demokratikong Pilipino (LDP) parties each have one representative in the 15th Congress: Imelda Marcos [Ilocos Norte, 2nd District], and Juan Edgardo Angara [Aurora]. Marcos is the wife of former Pres. Ferdinand Marcos. Angara is the son of LDP head Sen. Edgardo Angara.

The Partido ng Demokratikong Reporma-Lapiang Manggagawa (PDR-LM) party had one member in Congress, Rep. Antonio Diaz. LM is founded by former Defense Sec. and 1998 Presidential candidate Renato de Villa, and is currently headed by another former Defense Secretary and current Zambales Gov. Hemogenes Ebdane, Jr.

The 15th Congress also has two Independents as members: former Police Director Romeo Acop [Antipolo City, 2nd District] and former Bohol Governor and Representative Erico Aumentado [Bohol, 2nd District]. Ryan Singson [Ilocos Sur, 1st District] belongs to the local Biled party.

Congressmen by Term

In the 15th Congress, a total of 134 Congressmen were re-elected, or 46% of total Congress membership. Forty-two of the 52 “second-termers” (including Rep. Antonio Diaz, who died in office) last 14th Congress were re-elected on May 2010.

The 15th Congress has 129 neophyte Representatives, 28 of which are sectoral representatives.

Twenty-two former Congressmen returned to the halls of the House, including House Speaker Feliciano Belmonte, Imelda Marcos, Erineo Maliksi [Cavite, 3rd District], Aurora Cerilles [Zamboanga del Sur, 2nd District], and Eulogio Magsaysay [AVE party list].

15th Congress of the Philippines: The Senate

[last updated November 12, 2011]

The Philippine Senate has 24 members, elected at-large, with a term of six years. No Senator could serve for more than two consecutive terms. Half of its composition, or 12 seats, are up for election every three years.

In the 15th Congress, the Senate only has 23 members, due to the election of Benigno Aquino III, in the middle of his term, as the 15th President of the Philippines.

Senators Batch 2013

These are the Senators elected on May 14, 2007.

Senators (2007 - 2013)Re-elected were Sens. Edgardo Angara, Joker Arroyo, Panfilo Lacson, Francis Pangilinan and Manuel Villar, Jr.

Returning to the halls of the Senate were Loren Legarda, who served from 1998 to 2004; and, Gregorio Honasan, who previously served from 1995 to 2001, and from 2001 to 2004 (to complete the term of Sen. Teofisto Guingona, Jr., who was elected Vice President).

Outgoing Rep. Francis Escudero (Sorsogon, 1st District) is the son of longtime Sorsogon Rep. Salvador Escudero III. Aquilino Pimentel III is the son of outgoing Senator Aquilino “Nene” Pimentel, Jr.

Sen. Aquilino Pimentel III replaced Juan Miguel Zubiri, who resigned on August 3, 2011, in response to allegations of poll fraud during the 2007 Senatorial elections. Zubiri placed 12th, with only a 20,000-vote margin against 13th placer Pimentel. Pimentel assumed office on August 15.

Sen. Antonio Trillanes IV held office at the Senate only on December 2010, after being granted provisional release from prison. Trillanes was detained in July 2003, after seizing a hotel in Makati City to demand the resignation of then-President Gloria Macapagal-Arroyo. He committed the same act in November 2007, after walking out of his own trial.

Sen. Panfilo Lacson was absent in Senate sessions from January 2010 to March 2011. He went into hiding days before he was about to be formally charged by the Department of Justice for the murders of PR man Salvador “Bubby” Dacer and driver Emmanuel Corbito in 2000. He returned a month after the Court of Appeals dismissed the cases against him.

The Senators in the graphic above are ordered by their place in the 2007 election results for Senator.
L-R (1st row): Lorna Regina “Loren” Legarda, Francis Joseph “Chiz” Escudero, Panfilo “Ping” Lacson, Manuel “Manny” Villar, Jr., Francis “Kiko” Pangilinan
L-R (2nd row): Edgardo Angara, Joker Arroyo, Alan Peter Cayetano, Gregorio “Gringo” Honasan, Antonio Trillanes IV, Aquilino “Koko” Pimentel

Senators Batch 2016

These are the Senators elected on May 10, 2010.

Senators (2010 - 2016)All six re-electionist Senators won: Sens. Pia Cayetano, Juan Ponce Enrile, Jinggoy Estrada, Lito Lapid, Bong Revilla, and Miriam Defensor-Santiago.

Four has previously served in the Senate: Sens. Franklin Drilon and Serge Osmeña III (1995-2007), Vicente Sotto III (1992-2004), and Ralph Recto, (2001-2007). Sotto and Recto lost their Senatorial bids in the 2007 Elections.

There are only two neophyte Senators in this batch: Sens. Ferdinand Marcos, Jr. and Teofisto Guingona III. However, both are sons of former Senators (former Pres. Ferdinand Marcos, and former Vice Pres. Teofisto Guingona, Jr., respectively).

The Senators in the graphic above are ordered by their place in the 2010 election results for Senator.
L-R (1st row): Ramon “Bong” Revilla Jr., Jose “Jinggoy” Estrada, Jr., Miriam Defensor-Santiago, Franklin Drilon, Juan Ponce Enrile, Pilar Juliana “Pia” Cayetano
L-R (2nd row): Ferdinand “Bongbong” Marcos, Jr., Ralph Recto, Vicente Sotto III, Sergio Osmeña III, Manuel “Lito” Lapid, Teofisto Guingona III

By the Numbers

Among the current Senators of the 15th Congress:


  • Nine hail from or have held a local post in Metro Manila: Arroyo, the two Cayetanos, Estrada, Legarda, Pangilinan, Sotto, Trillanes, and Villar.
  • Five are from Northern Luzon: Marcos (Ilocos Norte), Enrile (Cagayan), Angara (Aurora), Honasan (Baguio City), and Lapid (Pampanga).
  • Four are from Southern Luzon: Lacson and Revilla (Cavite), Recto (Batangas) and Escudero (Sorsogon).
  • The last five hail from Visayas and Mindanao: Defensor and Drilon (Iloilo), Osmeña (Cebu), Pimentel (Cagayan de Oro) and Guingona (Bukidnon).


  • Only three Senators are women: Pia Cayetano, Miriam Defensor-Santiago and Loren Legarda.
  • 57 is the average age of the 15th Congress Senators. Ten Senators are above that average.
  • Senate President Juan Ponce Enrile is the oldest Senator (at age 87), while Antonio Trillanes IV is the youngest (at 40). 35 is the youngest age set for Senators in the 1987 Philippine Constitution.


  • Only three Senators are members of the minority bloc: Sens. Alan Peter Cayetano (Minority Leader), Joker Arroyo, and Pia Cayetano.
  • The Senate President is Juan Ponce Enrile. The Majority Leader is Vicente Sotto III. The President Pro-Tempore is Jinggoy Estrada.


  • Liberal Party (4): Drilon, Guingona, Pangilinan and Recto.
  • Nacionalista Party (4): the two Cayetanos, Marcos and Villar.
  • Lakas-Kampi-CMD (3): Arroyo, Lapid and Revilla.
  • NPC (2): Legarda and Sotto.
  • PMP (2): Estrada and Enrile.
  • PDP-Laban (2): Osmeña and Pimentel.
  • LDP (1): Angara.
  • PRP (1): Defensor-Santiago.
  • Independents (4): Escudero, Honasan, Lacson and Trillanes.


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