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# Dominika The Rank Size Rule(2)

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### Dominika The Rank Size Rule(2)

1. 1. The rank-size rule By Dominika
2. 2. What is it? <ul><li>It is a simple model which states that population size of a given city tends to be equal to the population of the largest city divided by the rank of the given city </li></ul><ul><li>Pr=P1/r </li></ul><ul><li>Pr- population of the largest city ranked r </li></ul><ul><li>P- population of the largest city </li></ul><ul><li>r- rank of the city r </li></ul>
3. 3. Do all cities follow the rank size rule? <ul><li>There is a number of patterns. </li></ul><ul><li>The theoretical rank-size rule pattern is a straight line. </li></ul><ul><li>In some countries, 1 city dominates and other cities are very small. </li></ul>
4. 4. The rank size patterns <ul><li>The urban primacy : a single city dominates and is much more greater that the next large centre (primary pattern). </li></ul><ul><li>The binary pattern: 2 or more cities are larger than the predicted size. </li></ul><ul><li>Stepped order pattern : series of levels and steps (conurbations, cities, towns, etc.) </li></ul>
5. 5. The primacy <ul><li>Primate city: </li></ul><ul><li>Usually in LEDCs. </li></ul><ul><li>A city with more than twice the population of the next largest city. </li></ul><ul><li>Rapid urbanization. </li></ul><ul><li>Migration. </li></ul><ul><li>Strategic cities </li></ul><ul><li>Ports dominating the country. </li></ul>Bangkok: 5,705,061 Nonthaburi:264,651
6. 6. The primate city <ul><li>Economies of scale can be achieved. </li></ul><ul><li>Attractive places of migration. </li></ul><ul><li>Large-scale of services available </li></ul><ul><li>BUT </li></ul><ul><li>House shortages,traffic,crime,pollution. </li></ul><ul><li>Urban and rural inequalities, unemployment. </li></ul><ul><li>Congestion, pollution. </li></ul><ul><li>Concentration of power supplies. </li></ul>
7. 7. World’s largest cities
8. 8. Slovakia <ul><li>Bratislava: 423,737 </li></ul><ul><li>Košice: 236,563 </li></ul><ul><li>Prešov: 94,718 </li></ul><ul><li>Nitra: 86,329 </li></ul><ul><li>Zilina: 85,985 </li></ul><ul><li>Banská Bystrica: 82,336 </li></ul><ul><li>Trnava: 69,785 </li></ul><ul><li>Martin: 60,817 </li></ul><ul><li>Trenčín: 58,278 </li></ul><ul><li>Poprad: 57,432 </li></ul>Graph
9. 9. Australia <ul><li>Sydney: 4,336,374 </li></ul><ul><li>Melbourne: 3,806,092 </li></ul><ul><li>Brisbane:1,857,594 </li></ul><ul><li>Perth:1,554,769 </li></ul><ul><li>Adelaide:1,158,259 </li></ul><ul><li>Gold Coast:583,657 </li></ul><ul><li>Newcastle:523,662 </li></ul><ul><li>Canberra: 388,072 </li></ul><ul><li>Wollongong: 280,159 </li></ul><ul><li>Sunshine Coast:230,429 </li></ul>
10. 10. Thailand <ul><li>Bangkok: 5,705,061 </li></ul><ul><li>Nonthaburi:264,651 </li></ul><ul><li>Pak Kret:173,622 </li></ul><ul><li>Hat Yai:157,596 </li></ul><ul><li>Chiang Mai:147,504 </li></ul><ul><li>Udon Thani:141,751 </li></ul><ul><li>Surat Thani:127,237 </li></ul><ul><li>Khon Kaen:118,667 </li></ul><ul><li>Nakhon Si Thammarat:108,317 </li></ul>
11. 11. South Africa <ul><li>Cape Town:2,415,408 </li></ul><ul><li>Durban:2,117,650 </li></ul><ul><li>Johannesburg:1,480,530 </li></ul><ul><li>Pretoria:1,104,479 </li></ul><ul><li>Soweto:1,098,094 </li></ul><ul><li>Port Elizabeth:749,921 </li></ul><ul><li>Pietermaritzburg:378,126 </li></ul><ul><li>Benoni:365,467 </li></ul><ul><li>Vereeniging:346,780 </li></ul><ul><li>Bloemfontein:333,769 </li></ul>
12. 12. Key questions: What factors affect the urban hierarchy of a country? Why do primate cities develop? What affect do primate cities have on the development of a country?