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. 2024 Mar 8;19(3):e0299897. doi: 10.1371/journal.pone.0299897

Fig 1. Top 50 busiest airports by passenger traffic in 2014 and their respective countries.

Fig 1

The pie charts show the countries’ population (left) and GDP (right) as fraction of the entire world. The world map showing countries’ boundary was generated using GeoPandas [47].