20th Guam Legislature

The 20th Guam Legislature was a meeting of the Guam Legislature. It convened in Hagatna, Guam on January 2, 1989 and ended on January 7, 1991, during the 3rd and 4th years of Joseph F. Ada's 1st Gubernatorial Term.

In the 1988 Guamanian general election, the Democratic Party of Guam won a thirteen-to-eight (13-8) majority of seats in the Guam Legislature.^[1]

Party summary

Affiliation	Party (shading indicates majority caucus)		Total
	Democratic	Republican
End of previous legislature	13	8	21
Begin	13	8	21
Latest Voting share	61.9%	38.1%
Beginning of the next legislature	11	10	21

Membership

Senator	Party		Assumed office[1]
Madeleine Z. Bordallo		Democratic	1989
Edward Diego Reyes			1989
John P. Aguon			1989
Don Parkinson			1983
Carl T.C. Gutierrez			1989
Pilar C. Lujan			1983
Elizabeth P. Arriola			1983
Joe T. San Agustin			1977
Ted S. Nelson			1983
Herminia D. Dierking			1985
Francisco R. Santos			1971
Franklin J.A. Quitugua			April 1977
Gordon Mailloux			1989
Antonio R. Unpingco		Republican	1989
Thomas V.C. Tanaka			1989
Joseph G. Bamba, Jr.			1985
Doris Flores Brooks			1989
Martha C. Ruth			1987
Edward R. Duenas			1987
Ernesto M. Espaldon			1987
Marilyn D.A. Manibusan			1983