The LIV Legislature of the Congress of the Union of Mexico (54th Congress) met from 1 September 1988 to 31 August 1991.
32 senators and all of the deputies were elected in the 1988 legislative elections. The deputies served three years and the senators six, continuing into the 55th Congress.
Senate
By political party Party Senators PRI 60 PRD 4
By state and the federal district
State Senator Party State Senator Party Aguascalientes Héctor Hugo Olivares Ventura Nayarit Emilio M. González Aguascalientes Héctor Hugo Olivares Ventura Nayarit Emilio M. González Aguascalientes Benjamín Zarzosa Díaz Nayarit Julián Gascón Mercado Baja California César Moreno Martínez de EscobarReplaces Margarita Ortega Villa Nuevo León Alfonso Martínez Domínguez Baja California Gustavo Adolfo Almaraz Nuevo León Ricardo Canavati Tafich Baja California Sur Raúl Enrique Carrillo Silva Oaxaca Idolina Moguel Contreras Baja California Sur José Antonio Valdivia Oaxaca Luis Martínez Fernandez del Campo Campeche Jorge Adolfo Vega Camacho Puebla Blas Chumacero Campeche Francisco Solís Rodríguez Puebla Alfredo Toxqui Chiapas José Antonio Melgar Aranda Querétaro Ernesto Luque Feregrino Chiapas Blanca Ruth Esponda Querétaro Enrique Burgos García Chihuahua Saúl González Herrera Quintana Roo José Joaquín González Castro Chihuahua Alonso Aguirre Ramos Quintana Roo María Cristina Sangri Aguilar Coahuila Oscar Ramírez Mijares San Luis Potosí Carlos Jonguitud Barrios Coahuila Gaspar Valdés Valdés San Luis Potosí Fernando Silva Nieto Colima Roberto Ánzar Martínez Sinaloa Salvador Esquer Apodaca Colima Graciela Larios Rivas Sinaloa María Alfonso Niebla Álvarez Durango Maximiliano Silerio Esparza Sonora Armando Hopkins DurazoReplaces Luis Donaldo Colosio Durango Víctor Uriel Mayagoitia Domínguez Sonora Bulmaro Pacheco MorenoReplaces Manlio Fabio Beltrones Guanajuato José de Jesús Padilla Padilla Tabasco Nicolás Reynés Berazaluce Guanajuato Martín Montaño Arteaga Tabasco Roberto Madrazo Pintado Guerrero Netzahualcóyotl de la Vega Tamaulipas Ricardo Camero Cerdiel Guerrero Antonio Jaimes Aguilar Tamaulipas Laura Alicia Garza Galindo Hidalgo Humberto Lugo Gil Tlaxcala Alberto Juárez Blancas Hidalgo Julieta Guevara Bautista Tlaxcala Álvaro Salazar Lozano Jalisco Justino Delgado Caloca Veracruz Alger León Moreno Jalisco María Esther Scherman Veracruz Julio Patiño Rodríguez Estado de México Leonardo Rodríguez Alcaine Yucatán José Nerio Torres OrtizReplaces Dulce María Sauri Riancho Estado de México Jesús Alcántara Miranda Yucatán Gonzalo Navarro Báez Michoacán Roberto Robles Garnica Zacatecas Gustavo Salinas Íñiguez Michoacán Cristóbal Arias Solís Zacatecas Eliseo Rangel Gaspar Morelos Jesús Rodríguez y Rodríguez Distrito Federal Porfirio Muñoz Ledo Morelos Hugo Domenzain Guzmán Distrito Federal Ifigenia Martínez
Parliamentary coordinators Partido Revolucionario Institucional: Netzahualcóyotl de la Vega Partido de la Revolución Democrática: Porfirio Muñoz Ledo
Chamber of Deputies The Chamber of Deputies had 500 members, elected for three-year terms with no immediate reelection. 300 deputies were elected from single-member districts and the other 200 (up from 100 in previous elections) from party lists in each of the proportional representation (plurinominal) electoral regions.
Deputies by political party Party Deputies Partido Acción Nacional 101 Partido Revolucionario Institucional 262 Partido Popular Socialista 49 Partido Auténtico de la Revolución Mexicana 30 Partido del Frente Cardenista de Reconstrucción Nacional 36 Partido de la Revolución Democrática 22
Deputies from the 300 single-member districts