US citizens in Iceland numbered 1,113 at the start of 2026, up from 1,049 a year earlier. Eurostat’s harmonized population-by-citizenship series, which lags the national register by a year, counted 583 in 2016 and 1,049 by 2025, an 80% rise across nine years. The two sources agree where they overlap; the national register simply reports a year sooner. The volume is tiny. The slope isn’t.
Why a small base makes the trend look dramatic
Iceland holds about 394,000 people, so absolute counts stay low while rates of change run high. An 80% rise sounds steep, and it is, but it works out to roughly 470 more US citizens in Iceland across nine years. In a larger country that increase would vanish into rounding. Here it is the difference between a barely-there American presence and a visible one.
The climb wasn’t a straight line. The Eurostat stock reached 1,072 in 2023, slipped to 1,012 in 2024, then rose to 1,049 in 2025; Statistics Iceland’s register pushed it to 1,113 in 2026, past the earlier peak. That dip and recovery is what a small base looks like in practice. A few dozen people arriving or leaving registers as a swing that would be invisible in a population of millions.
What the population and permit series each measure
Three series describe the American presence, and they count different things. The population figure is a stock: US passport-holders present in Iceland on Jan. 1. First permits issued is a flow, the residence permits Iceland granted to US citizens for the first time in a given year.
Long-term residents is a third measure, a year-end stock of Americans who have held residence long enough to reach settled status.
The flow runs well ahead of the net gain. Iceland issued 333 first permits to US citizens in 2024, down from a peak of 387 in 2021 but still several times the annual increase in the standing population. More than 300 Americans receive a first permit in most recent years, while the resident count climbs by only a few dozen.
That gap points to turnover, not steady accumulation: people cycle in and out, and only some stay.
A rising share reaching settled status
American long-term residents in Iceland tripled to 247 in 2024 from 70 in 2015, climbing from about an eighth of the resident population to roughly a quarter. Much of that jump lands after 2019, when the count rose from 89 to 158 in a single year, so the series may carry a definitional break.
Read with that caveat, the direction is retention: more Americans crossing the multi-year threshold into long-term status, even as the yearly permit flow churns. Eurostat does not break the long-term figure down by reason, so the mix of students, workers and family migrants behind it stays unverified.
Where US citizens in Iceland actually live
The presence is overwhelmingly a capital one. Statistics Iceland, the national statistical office, places more than half of all US citizens in Reykjavik proper, with the greater capital region, the suburbs of Kopavogur, Hafnarfjordur and Gardabaer among them, holding more than three-quarters of the total.
The rest scatter thinly. A cluster of about 40 sits near Keflavik airport and the former US naval base, and the northern town of Akureyri holds a few dozen. Most other municipalities count Americans in the single digits or not at all.
The national figure is really a Reykjavik figure with a long tail, which fits the likely drivers: university enrollment, capital-based work and family ties.
Why the slope, not the size, is the story
The clean read is that the American presence in Iceland is small, capital-bound and rising on every available measure. The population stock climbed across nine years, first permits have run above 300 a year since 2021, and the long-term-resident count tripled. The only real noise is the year-to-year wobble a tiny base produces.
The number will never be large. Iceland is too small to post the totals of US citizens in Spain or the other countries with the most American expats. On the slope, though, an 80% rise in residents, a permit flow above 300 a year and a tripling in long-term residents put Iceland in the column of places Americans are choosing more often, not less.