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Austria Population and Religion Percentage
Austria, officially the Republic of Austria, is a landlocked East Alpine country located in the southern part of Central Europe. According to Statistics Austria, the country’s population on 1 January 2025 was 9,198,214 (9.2 million).
Austria’s population increased by 0.4% during 2024, reaching 9.2 million by early 2025—slower growth compared to the previous year. Vienna recorded the strongest population rise at 1.1%, while Burgenland registered a slight decline of –0.04%. Foreign nationals accounted for 20.2% of Austria’s population, with the highest shares in Vienna (36.4%), Vorarlberg (20.9%), and Salzburg (20.8%)
Source: STATISTICS AUSTRIA, Population statistics
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| Austria | 2026 Est. |
| Total Population | 9,200,000 (9.2 Million) |
| Global Rank | 99 |
| Land Area | 82,445 sq. km (31,832 sq. mi) |
| Area Rank | 113 |
| Pop. Density | 111 people/sq. km |
| Growth Rate | 0.22% |
| Fertility Rate | 1.33 |
| Infant mortality rate | 2.6 |
| Median Age | 43.6 Years |
| Life Expectancy | 82.05 years |
| Urban Population | 58.6 % |
Austria Population by Federal Province
As of January 1, 2025, Vienna remains the most populous province in Austria with over 2 million residents, followed by Lower Austria (1.73M) and Upper Austria (1.54M). Styria (1.27M) and Tyrol (778K) also have significant populations, while Burgenland (302K) is the least populated province. The total population of Austria stands at 9.2 million, reflecting continued demographic growth.
| Rank | Federal Province | Population (01.01.2025) |
|---|---|---|
| 1 | Vienna | 2,028,399 |
| 2 | Lower Austria | 1,727,759 |
| 3 | Upper Austria | 1,535,677 |
| 4 | Styria | 1,271,940 |
| 5 | Tyrol | 777,773 |
| 6 | Salzburg | 572,905 |
| 7 | Carinthia | 570,194 |
| 8 | Vorarlberg | 411,748 |
| 9 | Burgenland | 301,819 |
| Total | Austria | 9,198,214 |
Religion in Austria
Christianity is the main Religion in Austria, adhered to by 68.2% of the country’s population. Among Christians, 55.2% were Catholics, 4.9% were Orthodox Christians, 3.8% were Protestants, and the remaining 4.2% were other Christians.
Islam is the second largest religion in Austria and is followed by 8.3% of the population. Other Smaller religions are followed by 1.2% of the population and include Buddhism, Hinduism, Judaism, and others. About 22.4% declared they did not belong to any religion, denomination, or religious community.
Religion Percentage in Austria
| Religion | Percentage |
| Christianity | 68.2% |
| – Catholicism | 55.20% |
| – Eastern Orthodoxy | 4.90% |
| -Protestantism | 3.80% |
| – Old Catholicism | 0.10% |
| – Other Christians | 4.20% |
| Others | |
| Islam | 8.30% |
| Buddhism | 0.30% |
| Hinduism | 0.10% |
| Judaism | 0.10% |
| Other religions | 0.70% |
| Unaffiliated | 22.40% |
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Largest Cities in Austria by Population
| # | City | State | Population |
| 1 | Vienna | Vienna | 18,12,605 |
| 2 | Graz | Styria | 2,69,997 |
| 3 | Linz | Upper Austria | 1,93,814 |
| 4 | Salzburg | Salzburg | 1,46,631 |
| 5 | Innsbruck | Tyrol | 1,24,579 |
| 6 | Klagenfurt | Carinthia | 96,640 |
| 7 | Villach | Carinthia | 60,004 |
| 8 | Wels | Upper Austria | 59,339 |
| 9 | Sankt Pölten | Lower Austria | 52,145 |
| 10 | Dornbirn | Vorarlberg | 46,883 |
| 11 | Wiener Neustadt | Lower Austria | 42,273 |
| 12 | Steyr | Upper Austria | 38,120 |
| 13 | Feldkirch | Vorarlberg | 31,428 |
| 14 | Bregenz | Vorarlberg | 28,412 |
| 15 | Leonding | Upper Austria | 26,174 |
| 16 | Klosterneuburg | Lower Austria | 26,395 |
| 17 | Baden | Lower Austria | 25,229 |
| 18 | Wolfsberg | Carinthia | 24,993 |
| 19 | Leoben | Styria | 24,466 |
| 20 | Krems | Lower Austria | 24,085 |