Future trends
Population
Projection
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Johannesburg's 2020 population is now estimated at 5,782,747 (5.8 million).
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Projected to grow to 6.5 million by 2040
Population growth for Johannesburg, 1975-2030
Population growth rates for Johannesburg, 1975-2030
Climate
Biome
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Temperate Grassland (Veldt)
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Temperate grasslands have hot summers and cold winters. Rainfall is moderate.
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Temperate grasslands are characterized as having grasses as the dominant vegetation.
Temperature
Mean annual daily maximum temperature
Risk of increased temperature
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Increase in Heat-Related Deaths
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Increased Energy Demand
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Increased Water Demand
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Biodiversity Impacts on Disease Vectors (Health Risks)
Precipitation
Mean precipitation: historic and potential future rainfall figures
Risk of increased precipitation
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Urban Flood Risk - Damage to Water Supply & Sanitation Infrastructure
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Urban Flood Risk - Damage to property loss of livelihood and personal injury
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Urban Flood Risk - Increased Road Accidents and Traffic Congestion
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Urban Flood Risk to Electrical & IT Infrastructure
