Main Controls Primary Dataset Passenger kilometers traveled Secondary Dataset Select Dataset to Compare Format Map Line Chart Bar Chart Map Scatterplot Connected Scatterplot Calc Table Table Countries & Regions Select Countries Clear All Afghanistan Albania Angola Argentina Armenia Australia Austria Azerbaijan Belarus Belgium Bosnia and Herzegovina Bulgaria Cambodia Canada China Colombia Croatia Cuba Cyprus Czechia Denmark Ecuador Egypt Estonia Ethiopia Finland France Gambia Georgia Germany Greece Hungary Iceland Ireland Italy Japan Kazakhstan Kyrgyzstan Laos Latvia Lithuania Luxembourg Malta Mexico Moldova Monaco Mongolia Montenegro Myanmar (Burma) Namibia Netherlands Nicaragua North Macedonia Norway Pakistan Paraguay Poland Portugal Puerto Rico Romania Russia Serbia Singapore Slovakia Slovenia South Korea Spain Sri Lanka Sweden Switzerland Syria Tanzania Turkey Ukraine United Kingdom United States Uruguay Uzbekistan Vietnam Advanced Settings Color Scale Monochromatic Sky Monochromatic Dusk Monochromatic Sea Monochromatic Sun Passenger kilometers traveled millions, 1999–2011 Cancel Download monochromatic-sky color scheme monochromatic-sky color scheme monochromatic-dusk color scheme monochromatic-sea color scheme monochromatic-sun color scheme millions,
