City Statistics
Location: Gauteng Province, South Africa. Country dialling code: 27; as of May 2002, all local numbers dialled, even from within Johannesburg, should have had to be preceded by the area code (011), but this is yet to implemented. Population: 3.2 million (Johannesburg city); 7.3 million (Gauteng Province). Ethnic mix: 72% black (expected to rise to 74.7% by 2010), 17.4% white (expected to drop to 14.8% by 2010), 6.5% coloured (expected to remain constant), 3.7% Asian (expected to rise to 4% by 2010). Religion: 90% Christian, 4% Jewish, 3% Muslim, 2% other, 1% Hindu. Time zone: GMT + 2. Electricity: 220 volts AC, 50Hz; round three-pin plugs are standard. Average January temp: 20C (68F). Average July temp: 10C (51F). Annual rainfall: 720mm (28.8 inches).
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