UTC+00:00 Timezone Countries (2026)
26 countries operate in the UTC+00:00 timezone, spanning 3 regions (Europe, Africa, Americas). The combined population of countries in this timezone is approximately 356 million people, covering 7,775,004 km虏.
The UTC+00:00 timezone is the same as Coordinated Universal Time (UTC). The most populous country in this timezone is United Kingdom with 69,281,437 people. The largest by land area is Greenland at 2,166,086 km虏. The least populous is Saint Helena, Ascension and Tristan da Cunha with 5,651 people. Countries in this timezone span 6 subregions, including Northern Europe, Southern Europe, Northern Africa, Western Africa, and more. The average population density across these countries is 46 people per km虏.
Countries
26
Total Population
356M
Most Populous
United Kingdom
UTC Offset
+00:00
Population Share by Country
Proportion of total UTC+00:00 timezone population per country
United Kingdom19.5% 路 69,281,437
Spain13.9% 路 49,315,949
Morocco10.4% 路 36,828,330
Ghana9.5% 路 33,742,380
Ivory Coast8.9% 路 31,719,275
Burkina Faso6.8% 路 24,070,553
Mali6.3% 路 22,395,489
Senegal5.2% 路 18,593,258
Guinea4.0% 路 14,363,931
Portugal3.0% 路 10,749,635
Sierra Leone2.6% 路 9,077,691
Togo2.3% 路 8,095,498
Denmark1.7% 路 6,011,488
Ireland1.5% 路 5,458,600
Liberia1.5% 路 5,248,621Showing top 15 of 26 countries
All Countries in UTC+00:00
| # | Country | Population |
|---|---|---|
| 1 | United Kingdom | 69,281,437 |
| 2 | Spain | 49,315,949 |
| 3 | Morocco | 36,828,330 |
| 4 | Ghana | 33,742,380 |
| 5 | Ivory Coast | 31,719,275 |
| 6 | Burkina Faso | 24,070,553 |
| 7 | Mali | 22,395,489 |
| 8 | Senegal | 18,593,258 |
| 9 | Guinea | 14,363,931 |
| 10 | Portugal | 10,749,635 |
| 11 | Sierra Leone | 9,077,691 |
| 12 | Togo | 8,095,498 |
| 13 | Denmark | 6,011,488 |
| 14 | Ireland | 5,458,600 |
| 15 | Liberia | 5,248,621 |
| 16 |  Mauritania | 4,927,532 |
| 17 |  Gambia | 2,422,712 |
| 18 |  Guinea-Bissau | 1,781,308 |
| 19 |  Western Sahara | 600,904 |
| 20 |  Iceland | 391,810 |
| 21 |  S茫o Tom茅 and Pr铆ncipe | 209,607 |
| 22 |  Isle of Man | 84,530 |
| 23 |  Guernsey | 64,781 |
| 24 |  Greenland | 56,542 |
| 25 |  Faroe Islands | 54,885 |
| 26 |  Saint Helena, Ascension and Tristan da Cunha | 5,651 |
Frequently Asked Questions
How many countries are in the UTC+00:00 timezone?
There are 26 countries and territories that observe UTC+00:00. These span 3 regions (Europe, Africa, Americas) with a combined population of approximately 356 million.
What is the most populous country in UTC+00:00?
United Kingdom is the most populous country in the UTC+00:00 timezone with a population of 69,281,437, making up 19.5% of the total timezone population.
What is the time difference between UTC+00:00 and UTC?
UTC+00:00 is Coordinated Universal Time itself, also known as Greenwich Mean Time (GMT). It is the baseline from which all other timezones are calculated.
Nearby Timezones
Timezones adjacent to UTC+00:00.