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SEA Airport Passenger Volume Milestones

Annual passenger volumes:

 

  • 1949: Built to serve half a million passengers
     
  • 1954: First year of more than one million passengers 
     
  • 1983: 10.1 million passengers 
     
  • 994: 20.9 million passengers 
     
  • 2007: 31.2 million passengers 
     
  • 2015: 42.3 million passengers 
     
  • 2019: 51.8 million passengers (current volume record) 
     
  • 2023: 50.8 million passengers  — the airport that was built in 1949 to handle half a million passengers is now handling more than 50 million passengers.

 

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