Editing Border checkpoint (section)

===Air===
{{main|List of busiest airports by international passenger traffic}}
This is a list of the busiest '''airports''' in the world, by '''international''' passenger traffic, as of 2018. Airports serving international passengers are effectively checkpoints, and have the proper customs, immigration and quarantine facilities. [[Airports Council International]]'s (January–December) preliminary figures are as follows.<ref>{{Cite web|url=https://aci.aero/news/2019/03/13/preliminary-world-airport-traffic-rankings-released/|title=ACI World releases preliminary 2018 world airport traffic rankings Passenger traffic: Passenger traffic remains resilient but cargo hubs see volume growth weaken India becomes world's third largest aviation market for passenger traffic|website=www.aci.aero|access-date=2019-04-10|date=2019-03-13|archive-date=2020-05-17|archive-url=https://web.archive.org/web/20200517082213/https://aci.aero/news/2019/03/13/preliminary-world-airport-traffic-rankings-released/|url-status=dead}}</ref>
{| class="wikitable sortable" style="text-align:center"
! data-sort-type="number" style="width: 20pt;"|Rank
! colspan="2" class="unsortable" |Airport
! style="width: 90pt;"|Annual Passengers

|-
|1
|style="width: 200pt;"|[[Dubai International Airport]]
|{{Flag|United Arab Emirates}}
|88,885,367

|-
|2
|style="width: 200pt;"|[[Heathrow Airport|London Heathrow Airport]]
|{{Flag|United Kingdom}}
|75,306,939

|-
|3
|style="width: 200pt;"|[[Hong Kong International Airport]]
|{{Flag|Hong Kong}}
|74,360,976

|-
|4
|style="width: 200pt;"|[[Amsterdam Airport Schiphol]]
|{{Flag|Netherlands}}
|70,956,258<ref group=Note name=Note03/>
|-
|5
|style="width: 200pt;"|[[Seoul Incheon International Airport]]
|{{Flag|South Korea}}
|67,676,147

|-
|6
|style="width: 200pt;"|[[Charles de Gaulle Airport|Paris-Charles de Gaulle Airport]]
|{{Flag|France}}
|66,383,494<ref group=Note name=Note03/>

|-
|7
|style="width: 200pt;"|[[Singapore Changi Airport]]
|{{Flag|Singapore}}
|64,890,000

|-
|8
|style="width: 200pt;"|[[Frankfurt Airport]]
|{{Flag|Germany}}
|61,774,663<ref group=Note name=Note03/>

|-
|9
|style="width: 200pt;"|[[Suvarnabhumi Airport]]
|{{Flag|Thailand}}
|50,868,846

|-
|10
|style="width: 200pt;"|[[Atatürk International Airport]]
|{{Flag|Turkey}}
|48,978,770

|}