BAKER v. CARR.
186
189'
Opinion of the Court.
periods of making the enumeration, be apportioned
among the several counties or districts, according to
the number of qualified voters in each; and shall not
exceed seventy-five, until the population of the State
,shall be one million and a half, and shall never exceed
ninety-nine; Provided, that any county having twothirds of the ratio shall be entitled to one member.
"Sec. 6. Apportionment of senators.-The number of Senators shall, at the several periods of
making the enumeration, be apportioned among the
several counties or districts according to the number
of qualified electors in each, and shall not exceed
one-third the number of representatives. In apportioning the Senators among the different counties, the
fraction that may be lost by any county or counties,
in the apportionment of members to the House of
Representatives, shall be made up to such county or
counties in the Senate, as near as may be practicable.
When a district is composed of two or more counties,
they shall be adjoining; and no county shall be
divided in forming a district."
Thus, Tennessee's standard for allocating legislative
representation among her counties is the total number of
qualified voters resident in the respective counties, subject
only to minor qualifications.' Decennial reapportionment
4 A county having less than, but at least two-thirds of, the population required to choose a Representative is allocated one Representative. See also Tenn. Const., Art. II, § 6. A common and much more
substantial departure from the number-of-voters or total-population
standard is the guaranty of at least one seat to each county. See,
e. g., Kansas Const., Art. 2, § 2; N. J. Const., Art. 4, § 3, 1.
While the Tennessee Constitution speaks of the number of "qualified voters," the exhibits attached to the complaint use figures based
on the number of persons 21 years of age and over. This basis seems
to have been employed by the General Assembly in apportioning legislative seats from the outset. The 1870 statute providing for the first
enumeration, Acts of 1870 (1st Sess.), c. 107, directed the courts of