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Calculations - Estimate of Potential Apple Customers in Various Cities The following charts calculate the theoretical number of Apple store "buying" customers within a city or region, based on an age group (15-64), ability to read, and the country's "top income" percentage, which is determined (by me) from the country gross national income (GNI), which in turn is a measure of a person's ability to afford a $400 or $2,000 electronic device. In particular, it compares the cities of Quito (Ecudor), Sydney (Australia) and Chicago. Notice that the total number of potential customers increases, along with the percentage of the city's population. Also see the Global IT report for additional comparisons of a country's network readiness. |
| Quito population (CIA World Factbook) | 1,200,000 |
| 15-64 year olds (Improdir) | 60% |
| Literacy rate, 15 yrs & older (HDR) | 91.0% |
| Top income | 20% |
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1,200,000 * (60%) * (91%) x (20%) = 131,040
10.9% of total city population |
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| Sydney population | 3,900,000 |
| 15-64 year olds | 66.8% |
| Literacy rate, 15 yrs & older | 100.0% |
| Top income | 60% |
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3,900,000 * (66%) * (100%) x (60%) = 1,563,120
40.0% of total population |
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| Chicago population | 2,896,000 |
| 15-64 year olds | 64% |
| Literacy rate, 15 yrs & older | 100.0% |
| Top income | 70% |
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2,896,000 * (64%) * (100%) x (70%) = 1,297,408
44% of total population |
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