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Poland Population 2026 & Religious Demographics: Trends & Insights
Poland, officially the Republic of Poland, is a country located in Central Europe. Poland is the fifth most populous member state of the European Union. According to the Central Statistics Office of Poland, at the end of June 2025 the population of Poland amounted to 37,402,000 people or 37.4 million.
| 2025 Population | |
| Total Population | 37,402,000 |
| Males | 17,952,960 |
| Females | 19,449,040 |
| Land Area | 311,888 sq.km (120,421 sq. mi) |
| Urban Pop | 60% |
| Pop. Density | 120 people/sq. km |
| Growth Rate | -0.20% |
read about religion in Europe
Here are the key demographic insights from the report on Poland’s population as of June 30, 2025:
1. Total Population (30 June 2025)
Total population: 37,402,000
Urban population: 22,213,000 (≈60%)
Rural population: 15,189,000 (≈40%)
Women: nearly 52% of the population
Female-to-male ratio:
Overall: 107
Urban: 112
Rural: 101
2. Population Decline
First half of 2025: population fell by 87,000 (–0.23%)
First half of 2024: population fell by 73,000 (–0.20%)
Cause:
Low births
Increasing deaths due to ageing
Natural decrease continuing since 2013
3. Births & Deaths (Jan–June 2025)
Births
Live births: 115,800 (not 126,000)
Drop from 2024: 9,900 fewer
Birth rate: 6.2 per 1,000 population
Urban: 6.1
Rural: 6.2
Deaths
Deaths: 208,400 (not 203,000)
Increase from 2024: +5,000
Death rate: 11.1 per 1,000 population
Urban: 11.6
Rural: 10.4
Natural Increase
–92,600 people (not –77,700)
Rate: –4.9 per 1,000
Urban: –60,900 (–5.5‰)
Rural: –31,700 (–4.2‰)
4. Infant Mortality
Infant deaths: 400
Infant mortality rate: 3.4 per 1,000 live births
Down by 0.2 from last year
5. Migration (Jan–June 2025)
Immigrants (permanent): 10,400
Emigrants (permanent): 4,800
Net migration: +5,600
6. Long-Term Trends
Continuous negative natural growth since 2013
Birth numbers remain low; brief uptick only in 2016–2017
Ageing population increasing mortality
Population decline accelerating
Source: Statistics Poland, Demographic Surveys Department
Religion in Poland
Christianity is the majority religion in Poland and the largest grouping is the Roman Catholics. Poland is one of the most religious countries in Europe and 94.4% of the polish population identify themselves as Christians.
Among Christians, 91.9% of the population follows Catholicism and Roman Catholicism continues to be important in the lives of many Poles, and the Catholic Church in Poland enjoys social prestige and political influence. The rest of the population consists mainly of Eastern Orthodox (1%) Protestant churches (1%), Jehovah’s Witnesses, and Other Christians.
Non-Christian faiths account for 0.1%, and the remaining 5.5% are classified as unaffiliated, which can mean agnostic, atheist, or “nothing in particular.”
Other religions practiced in Poland, include Islam, Judaism, Hinduism, and Buddhism.
Religion Percentage in Poland
| Religious affiliation | Percentage |
| Christianity | 94.4% |
| – Roman Catholic Church | 91.9% |
| – Orthodox Church | 1% |
| – Protestant churches | 1% |
| – Jehovah’s Witnesses | 0.2% |
| – Greek Catholic Church | 0.1% |
| – Other churches | 0.2% |
| Unaffiliated/No religion | 5.5% |
| Other Religions | 0.1% |
Source: Statistics Poland
Largest Cities in Poland by Population
| Rank | City | Population |
|---|---|---|
| 1 | Warsaw | 1,863,297 |
| 2 | Kraków | 805,235 |
| 3 | Łódź | 652,930 |
| 4 | Wrocław | 641,928 |
| 5 | Poznań | 538,275 |
| 6 | Gdańsk | 480,523 |
| 7 | Szczecin | 377,425 |
| 8 | Bydgoszcz | 338,621 |
| 9 | Lublin | 329,810 |
| 10 | Białystok | 291,742 |
| 11 | Katowice | 267,502 |
| 12 | Gdynia | 244,871 |
| 13 | Częstochowa | 212,386 |
| 14 | Radom | 196,983 |
| 15 | Sosnowiec | 179,875 |
| 16 | Toruń | 175,609 |
| 17 | Kielce | 168,210 |
| 18 | Gliwice | 162,881 |
| 19 | Zabrze | 153,328 |
| 20 | Olsztyn | 148,375 |
