The new-states paradox is an apportionment method paradox in which adding a new state, together with the number of seats its population appears to warrant, changes the apportionment among the states that were already present.
New-States Paradox
See also
Alabama Paradox, Apportionment Method, Population ParadoxExplore with Wolfram|Alpha
References
Balinski, M. L. and Young, H. P. Fair Representation: Meeting the Ideal of One Man, One Vote, 2nd ed. Washington, DC: Brookings Institution Press, 2001.Bogomolny, A. "The Constitution and Paradoxes." https://cut-the-knot.org/ctk/Democracy.shtml.Cite this as:
Weisstein, Eric W. "New-States Paradox." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/New-StatesParadox.html