This became the first synchronized national and local elections held after the ouster of former President Joseph Estrada in January due to a military-backed civilian uprising, popularly known as EDSA II.

Four incumbent senators won: Franklin Drilon, Juan Flavier, Ramon Magsaysay Jr. and Serge Osmeña of PPC.

Puwersa ng Masa's Gregorio Honasan finished 13th and served the Guingona's unexpired term.

There are seven neophyte senators: PPC's Joker Arroyo, Francis Pangilinan, Ralph Recto, Manny Villar, Puwersa ng Masa's Loi Ejercito and Panfilo Lacson, independent candidate Noli de Castro.

Puwersa ng Masa senators Miriam Defensor Santiago and Juan Ponce Enrile did not successfully defend their seats.