Global Airport Traffic Hit a Record 9.8 Billion Passengers in 2025, ACI World Says Growth Is Now Cooling

How 2025 broke the record

According to ACI World's figures, global passenger traffic in 2025 was driven overwhelmingly by international travel, which grew 6.1% year-on-year, comfortably outpacing domestic traffic growth of 1.7%. That imbalance reflects a broader pattern the aviation industry has tracked for several years: long-haul and cross-border leisure and business travel has recovered faster and grown further than short-haul domestic flying in most large markets, particularly in North America and parts of Asia.

Air cargo also reached an all-time high in 2025, with volumes hitting a record 131.2 million tonnes, up 3.3% from the prior year. Aircraft movements — takeoffs and landings tracked across the reporting airports — rose 2.0% to 103.1 million for the year. Analysts at the Centre for Aviation (CAPA), citing the same dataset, noted that both passengers and cargo grew by up to 6% in 2025 but cautioned explicitly that "that won't be the case in 2026," underscoring how unusual last year's growth rate was relative to the slowdown now underway.

Africa and the Middle East led regional growth

Regionally, Africa posted the fastest traffic growth of any world region in 2025, with a 9.0% rise, followed by the Middle East at 6.5%, Asia-Pacific at 5.1%, Latin America and the Caribbean at 4.5%, and Europe at a still-solid 4.2%. The Middle East's growth came despite periods of regional conflict and airspace disruption during the year that forced some carriers to suspend or reroute flights — turbulence that made the region's traffic gains notable rather than incidental.

Separately, ACI World's related rankings of the world's busiest individual airports for 2025 showed Hartsfield-Jackson Atlanta International Airport retaining its position as the single busiest airport on the planet, handling more than 106.3 million passengers during the year. Dubai International Airport held onto second place with 95.2 million passengers, while Tokyo Haneda climbed into third after recording 6.7% passenger growth. Shanghai Pudong was among the year's strongest performers, rising from tenth to fifth place after a 10.7% increase in passenger numbers — a reflection of the broader Asia-Pacific momentum driving the next phase of global traffic growth.

Why growth has slowed so abruptly in 2026

ACI World's own commentary attributes the 2026 slowdown to a combination of geopolitical and economic headwinds, though the organization has stopped short of attributing the deceleration to any single cause. Aviation industry coverage this year has repeatedly pointed to a mix of factors weighing on demand: episodes of Middle East airspace closures and route suspensions tied to regional conflict, elevated jet fuel costs that have pushed several airlines to trim capacity and reschedule aircraft deliveries, and broader macroeconomic uncertainty that has made both consumers and corporate travel budgets more cautious.

The contrast between full-year 2025 and first-half 2026 is stark: a 2025 that produced growth strong enough to nearly reach 10 billion passengers, followed by a first six months of 2026 in which growth essentially flatlined at 0.6%. That is a far cry from the mid-single-digit and higher regional growth rates recorded across 2025, and it suggests that whatever drove last year's record — pent-up demand, international route restoration, fare competition — has largely played out or been offset by new pressures this year.

Cargo has proven more resilient than passenger traffic through the transition, according to the ACI data, continuing to expand even as passenger growth stalled. That divergence mirrors what several individual airport operators and freight forwarders have reported this year: air freight demand, particularly for time-sensitive and e-commerce shipments, has held up better than discretionary passenger travel in a year marked by economic caution.

What the numbers mean for airport operators

For the airport operators and investors who make up ACI World's membership, the 2025 report is likely to be read two ways simultaneously — as validation that the post-pandemic recovery cycle is essentially complete, and as a caution flag for the capital-intensive expansion plans many airports have on their books. Dozens of major hubs worldwide have multi-billion-dollar terminal and runway expansion programs underway, typically justified by traffic forecasts built on the kind of sustained mid-single-digit annual growth that characterized 2025. A year of near-flat growth complicates those business cases, even if it does not necessarily invalidate them, particularly for projects with completion dates years or a decade out.

ACI World's report also serves as a reminder of how diverse the "record" actually is: it spans 2,817 airports of wildly different scale, from Atlanta's 106 million annual passengers down to small regional fields, aggregating traffic across regions moving in very different directions. Africa's 9.0% growth and Europe's more modest 4.2% both fed into the same global total, even though the underlying market dynamics — a continent still building out air connectivity versus a mature, largely saturated network — are entirely different.

The organization's 97% coverage estimate also means the true global total, once smaller non-reporting airports are accounted for, may be marginally higher still. ACI World flagged the approach to 10 billion annual passengers as a symbolic milestone in prior commentary, including a September 2025 forecast projecting 2025 traffic would land close to that figure — a forecast the final 2026 report has now essentially confirmed.

A dataset built to settle arguments

One reason ACI World's annual traffic report carries weight beyond a single headline figure is the scale of the dataset behind it. The 2,817 airports covered in the 2026 edition make it, by ACI World's own description, the organization's largest data pull to date, and the claimed 97% capture rate of scheduled global passenger traffic means the report functions less like a sample-based estimate and more like a near-complete census of commercial aviation activity. That matters because airport traffic statistics feed into sovereign infrastructure planning, airline network decisions, airport bond prospectuses, and the forecasts that underpin expansion projects worth tens of billions of dollars across the airports covered.

The report's aircraft movement figure — 103.1 million takeoffs and landings in 2025, up 2.0% — is a useful cross-check on the passenger numbers, since movements are harder to inflate or undercount than passenger totals, which can be affected by how individual airports define connecting versus origin-destination traffic. Movements growing more slowly than passenger traffic is consistent with airlines and airports continuing to push average aircraft size and load factors higher — squeezing more passengers out of each flight rather than simply flying more flights, a trend that has characterized much of the industry's post-pandemic capacity discipline.

The regions to watch

The regional breakdown also points toward where the next phase of global airport investment is likely to concentrate. Africa's 9.0% growth, the fastest of any region tracked, comes off a comparatively small base relative to Europe, North America or Asia-Pacific, meaning the continent still has room to grow before its airports approach the scale of established global hubs — a dynamic that has already drawn interest from international airport operators looking to build positions in emerging aviation markets. The Middle East's 6.5% growth, achieved despite the airspace disruption and conflict-related route suspensions affecting the region for parts of 2025, points to the resilience of hub carriers based in Doha, Dubai and Abu Dhabi.

Asia-Pacific's 5.1% growth and the individual gains posted by airports such as Tokyo Haneda and Shanghai Pudong reinforce a rebalancing of global aviation's center of gravity that industry forecasters have described for years: a shift in incremental passenger growth away from the mature markets of North America and Europe and toward Asia's expanding middle class and its intra-regional flight networks. Europe's 4.2% growth, by comparison, looks steady rather than spectacular — consistent with a region where air travel infrastructure is largely built out and growth is more a function of economic conditions and fares than of untapped demand.

The road ahead

What happens for the remainder of 2026 will determine whether this year reads as a pause in an otherwise durable growth trend or the start of something more structural. ACI World's own framing — emphasizing "mounting geopolitical and economic headwinds" — suggests the organization sees the slowdown as driven by external shocks rather than a fundamental shift in demand for air travel. Aircraft movements and cargo volumes, both still growing even as passenger numbers stalled, support that reading: infrastructure utilization has not collapsed, it has simply stopped accelerating at the pace airports and investors had grown used to.

For an industry that spent much of the mid-2020s racing to rebuild capacity and confidence after the pandemic, a plateau year — rather than a decline — may be the least disruptive outcome available. But with several regions, and Middle East carriers in particular, still exposed to conflict-related disruption, and fuel costs continuing to squeeze airline economics, the path back to the kind of growth that produced 2025's record remains far from guaranteed.

Sources

• Global Airport Passenger Traffic Reaches Record 9.8 Billion in 2025, Airports Council International World Reports — ACI World
• Airport passenger traffic hit record 9.8 billion in 2025 as ACI warns of 2026 slowdown — Passenger Terminal Today
• Global passengers and cargo increased by up to 6% in 2025; that won't be the case in 2026 — CAPA - Centre for Aviation
• Global airport traffic hits record in 2025 — AviTrader
• Global airport traffic reaches record 9.8bn passengers — Travel Daily News
• World's Busiest Airports: Atlanta Holds, Asia Climbs — ACI World