Overview

The Congressional Apportionment Amendment, presented to the state legislatures in 1789 as one of twelve proposed "articles of amendment," would have fixed a mathematical rule for determining the size of the United States House of Representatives after each constitutionally required decennial census. The first Congress approved the measure on September 25, 1789 and transmitted it to the states for ratification. Unlike ten of the twelve proposals and unlike the later-ratified Twenty-seventh Amendment, this apportionment proposal did not reach the number of state ratifications necessary to become part of the Constitution and therefore remains unresolved.

What the amendment would have done

The text set out a graduated formula for how many inhabitants would be represented by one member of the House. It began with a minimum ratio of one representative per 30,000 persons, with stepwise increases in the population-per-representative ratio as the total number of representatives grew. In effect, it would have constrained the growth of the House by prescribing specific population thresholds tied to changing representation ratios, rather than leaving total membership solely to ordinary statute.

Historical context and development

The provision was drafted during the first session of the new federal government. The 1st Congress, acting under the new Constitution, proposed twelve amendments to address concerns raised by several states about federal structure and individual rights. These "articles of amendment" were sent to the state legislatures for consideration; see the record of the 1st Congress and the notifications to the various state legislatures of the period. Over time, most of the proposals were either ratified or discarded, but the apportionment formula remained outstanding.

Subsequent practice and present status

Because Congress did not attach a time limit for ratification when it forwarded the amendment, it is still technically pending before the states. For the proposal to become part of the Constitution today it would require additional state ratifications to reach the constitutional threshold. Contemporary accounts note that an additional 27 state approvals would be necessary under present counting methods. Meanwhile, apportionment and the size of the House have been regulated by congressional statutes and later laws rather than by this early proposed amendment. The House presently operates under a fixed membership number set by Congress in the 20th century and adjusted by later legislation.

Importance and notable distinctions

  • The amendment is unique among the 1789 proposals for remaining unadopted and technically still open for ratification; it contrasts with the original package member that became the Twenty-seventh Amendment centuries later.
  • Its absence left Congress free to enact apportionment acts by statute; such statutory choices have shaped congressional size and districting practices in American history.
  • Because no explicit time limit was set by Congress, legal scholars treat the proposal as theoretically revivable should enough states choose to ratify.

Further reading and resources

For primary-documents and official records consult resources that collect early congressional proposals and state responses. Introductory histories of the Constitution and congressional apportionment discuss how the formula reflected 18th-century concerns about representation and population growth. Online and archival guides may be consulted via catalogs and research portals maintained by libraries and government archives; see entries on the proposed article and related correspondence in collections of the proposed amendment, state ratification debates recorded by the several states, and later narratives about constitutional amendment practice preserved in nineteenth-century compilations and twentieth-century analyses. Additional legal commentary and chronology are available from scholarly sources and institutional repositories that survey amendment history and congressional reapportionment law—examples of useful starting points include reference works linked at House of Representatives materials and legal-historical summaries at legislative research services (ratification records, congressional journals).