Congress of Sonora

The Honorable Congress of the State of Sonora () is the legislative branch of the government of the Mexican state of Sonora. The Congress is the governmental deliberative body of Sonora, which is equal to, and independent of, the executive.

The Congress is unicameral and consists of 33 deputies. 21 deputies are elected on a first-past-the-post basis, one for each district in which the entity is divided, while 12 are elected through a system of proportional representation. Deputies are elected to serve for a three-year term.

Since its installation the congress has been renewed 63 times, hence the current session of the Congress of Sonora (whose term lasts from 2021 to 2024) is known as the LXIII Legislature.

Electoral districts of Sonora

Legislatures of Sonora

History

Since 1917 the Congress has been composed as follows:

From 1917 to 1931 it was composed of 15 deputies.
From 1931 to 1970 it was composed of 9 deputies.
From 1970 to 1979 it was composed of 11 deputies.
From 1979 to 1982 it was composed of 19 deputies (15 elected by the first-past-the-post (FPP) system and 4 by the proportional representation system (PR).
From 1982 to 1988 it was composed of 24 deputies (18 elected by the FPP system and 6 by the PR system).
From 1988 to 1994 it was composed of 27 deputies (18 elected by the FPP system and 9 by the PR system.
Since 1994 the Congress is composed of 33 deputies (21 elected by the FPP system and 12 by the PR system.
The LVII Legislature (2003Ã¢ÂÂ2006) was composed of 31 deputies.
The current session is composed of 33 deputies (21 elected by the FPP system and 12 by the PR system.

was elected the first female member of the Congress of Sonora in 1955, which was the first election after the passage of women's suffrage in Mexico. The , elected in 2021, became the first women-majority legislature in state history.

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External links