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UNO-Bevölkerungswachstumsanalyse_und_-prognose_(1950–2050).png‎ (27 kB, MIME-Typ: image/png)

Bildbeschreibung: Diagramm: UNO-Bevölkerungswachstumsanalyse und -prognose 1950–2050
Quelle: Daten: UNO ( http://esa.un.org/unpp/ )
Fotograf/Zeichner: ich
Datum: 2006-08-03
Sonstiges:

Diese Datei wurde unter den Bedingungen der Creative Commons Attribution-ShareAlike License Germany (abgekürzt „cc-by-sa“) in der Version 2.0 veröffentlicht.

Diese Datei wurde unter der GNU General Public License veröffentlicht.

Es ist erlaubt, die Datei unter den Bedingungen der GNU General Public License, Version 2 oder einer späteren Version, veröffentlicht von der Free Software Foundation, zu kopieren, zu verbreiten und/oder zu modifizieren.

Russland wird komplett zu Europa gerechnet, Kasachstan und die Türkei zu Asien. Australien ist bei Ozeanien dabei.

Die angegebenen Wachstumsraten sind kontinuierlich, also mit

$\lambda=\frac{\log\frac{p_{i+1}}{p_i}}{5 \mathrm{a}}$

aus den Bevölkerungswerten p_i im 5-Jahres-Abstand berechnet.

Daten zur Migration liegen erst ab 1995 vor. Die natürlichen Wachstumsraten (ohne Migration) sind aus den absoluten Bevölkerungs- und Nettomigrationszahlen unter der Annahme kontinuierlicher Migration berechnet, also Lösung der Gleichung

$p_{i+1}=\left(p_i+\frac{m_i}{\lambda \mathrm{a}}\right)\exp\lambda 5\mathrm{a}-\frac{m_i}{\lambda \mathrm{a}}$ ,

wobei m_i die zugehörigen durchschnittlichen jährlichen Migrationszahlen im jeweiligen 5-Jahres-Abschnitt sind.

Siehe auch:

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 <desc><a xlink:href="http://esa.un.org/unpp/">Daten von der UNO</a>,
  Stand 2004 (»Revision 2004«), veröffentlicht 2005.
  Die obere und untere Variante unterscheiden sich von der mittleren Variante
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(Löschen) (Aktuell) 19:45, 3. Aug. 2006 . . .84.150.203.194 (Diskussion | Beiträge) . . 490 x 434 (27.147 Bytes) (* Bildbeschreibung: Diagramm: UNO-Bevölkerungswachstumsanalyse und -prognose 1950–2050 * Quelle: Daten: UNO ( http://esa.un.org/unpp/ ) * Fotograf/Zeichner: ich * Datum: 2006-08-03 * Sonstiges: {{Bild-CC-by-sa/2.0/de}} {{Bild-GPL}} Russland wird komp)