Rank mobility index

From Wikipedia, the free encyclopedia

This is an old revision of this page, as edited by Marcocapelle (talk | contribs) at 14:42, 24 December 2016 (demographics). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

In demographics, the rank mobility index (RMI) is a measure of a city's change in population rank among a group of cities.

Formally

where

  • R1 = city's rank at time 1
  • R2 = city's rank at time 2

A RMI value must be between −1 and 1. A RMI of 0 indicates no change.