Legislative size (directly elected)

Mark P. Jones, Martín Lauga and Marta León-Roesch, “Argentina,” in Elections in the Americas: A Data Handbook, vol. 1, South America, ed. Dieter Nohlen (Oxford: Oxford University Press, 2005), 104.

The Constitution does not specify a particular number of seats in the Chamber of Deputies, simply allowing the Congress to adjust the size as it sees fit after each census. There are currently 257 members.