Diadema — GeoNames settlement population
Diadema has a recorded base population of 403,579 for the GeoNames settlement definition (Population reference date not supplied in local record). GeoNames settlement record; the moving counter uses World Bank national growth (2025); not measured local growth, not new population observations.
At a glance
UN association
Geographic association unverified; no urban-centre population or rank attributed to this place.
Administrative units of Diadema
1 administrative records listed; completeness not established. 1 of 1 population values available; population values and dates not independently verified.
Available-value subtotal: 85,349; not a reconciled total. Shares use the displayed GeoNames settlement denominator 403,579; mixed/unknown dates are not comparable. An em dash means missing, not zero.
| Unit | Population | Share | Membership |
|---|---|---|---|
| Santo Amaro | 85,349 | 21.15% | Not independently verified |
Comparable database records
Same definition label: GeoNames settlement. Dates/boundaries may still differ; this is not a harmonised international city ranking. Ratios use 403,579 as denominator.
| Place | Population | vs Diadema |
|---|---|---|
| Gifu | 402,557 | −0.3% |
| Gumi | 404,691 | +0.3% |
| Newcastle | 404,838 | +0.3% |
| Toyonaka | 401,558 | −0.5% |
| Lekki | 401,272 | −0.6% |
About these numbers
Source: GeoNames settlement record. Reference: Population reference date not supplied in local record. Live method: exponential projection from modelling anchor 2025-07-01 using World Bank national growth (2025); not measured local growth (+0.38% per year). This anchor is a modelling convention, not an observed population date. Tiles, ranks and comparisons use the recorded base figure 403,579, not the ticking estimate. Country/world denominators are World Bank values and can differ in date and method from local/UN values. Ranks cover only records with the same definition label in this database, not all cities in the world.
What changed during your lifetime?
Turn these figures into a private, five-scene personal world story.
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This page is a structured reference entry. Its sources, geographic definition and reference dates determine what the figures mean; it is not independent reporting about the causes of change. Read the accompanying explanation before comparing different places or vintages.