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Population Clock is an iOS tool for learning about geography and demographics.

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PopulationClock

Population Clock is an iOS tool for learning about geography and demographics.

Download app on iTunes


The project uses the most recent data from these two trusted sources:


Besides the iOS app, there are a few Python scripts to execute the following actions:

  • Scrape the country descriptions and energy production from the World Factbook.
  • Download the most recent indicators from World Databank using their JSON API (Some updates are quarterly and others yearly).
  • Generate plist file with all indicators and descriptions to use with Xcode.
  • With population growth data, create colored SVG map.
  • Generate 8-bit greyscale map with one color per country. This allows us to identify which country was clicked by reading the color of the selected pixel.

Here is a list of the metrics displayed in the app. Some countries do not have all the data.

  • Access to electricity (% of population)
  • Birth rate, crude (per 1,000 people)
  • CO2 emissions (kt)
  • Death rate, crude (per 1,000 people)
  • Energy Production (kWh)
  • Fertility rate, total (births per woman)
  • Forest area (% of land area)
  • GDP (constant LCU)
  • GDP growth (annual %)
  • GDP per capita (constant LCU)
  • Health expenditure, total (% of GDP)
  • Internet users (per 100 people)
  • Life expectancy at birth, total (years)
  • Mobile cellular subscriptions (per 100 people)
  • Passenger cars (per 1,000 people)
  • Population growth (annual %)
  • Population, total

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