Rural Urban Shift Decade Points
Measure the rural-to-urban structural shift between two decades as the change in the urban share in percentage points, labelling moves beyond half a point as urbanizing or deurbanizing and anything within half a point as stable.
Description
Measure the rural-to-urban structural shift between two decades as the change in the urban share in percentage points, labelling moves beyond half a point as urbanizing or deurbanizing and anything within half a point as stable.
Measure the rural-to-urban structural shift between two decades as the change in the urban share in percentage points, labelling moves beyond half a point as urbanizing or deurbanizing and anything within half a point as stable.1
When to use Rural Urban Shift Decade Points
Use this measure when city ranks, urban shares, or rural-urban classifications use consistent boundaries and reference years.
- Urban % (t1)
- Urban share of the population in the earlier decade.
- Urban % (t2)
- Urban share of the population in the later decade.
How the method works
- Shift
- Change in the urban share between the decades, in percentage points.
- Direction
- Direction of the structural shift under the half-point rule.
Limitations and assumptions
Urban definitions and administrative boundaries differ widely. Annexation, metropolitan definitions, and changes in settlement classification can mimic population change.
Alternative or Complementary measures
Pair shares or rank-size results with absolute population changes under fixed geographic boundaries. Density, commuting zones, and settlement classifications offer complementary views of urban concentration.
References
-
Urbanization — Wikipedia contributors
Similar or alternative tools
- Primate City Rank Size Zipf
Apply the Zipf rank-size rule P(n) = P(1) / n^q to predict the population of the n-th largest city from the primate city, optionally reporting how far an observed city deviates from that prediction.
- Abridged To Complete Extension Open Calculator
Extend an abridged life table into the terminal open interval using L = l / m for person-years lived and e = 1 / m for the remaining expectancy at the open age.
- Adult Mortality 45q15 Calculator
Convert age-specific death rates for the five-year groups from age 15 into the probability of dying between ages 15 and 60 using q = n m / (1 + (n - a) m), with a default a of n/2 years.