Poland vs Ukraine: Population Comparison 2026

Ukraine has 1,692,659 more people than Poland (1.0× as many): 39.5 million vs 37.8 million in 2026. Median age is 43.0 in Poland and 41.8 in Ukraine; fertility is 1.31 vs 1.00 children per woman.

Poland

2026
0
people
Median age
43.0
Fertility (TFR)
1.31
Working age (15–64)
64.6%
Trend
Declining (-0.78%)

Ukraine

2026
0
people
Median age
41.8
Fertility (TFR)
1.00
Working age (15–64)
67.5%
Trend
Growing (+1.43%)

Population pyramids, 2026

Total Population

Poland

37.8M

vs

Ukraine

39.5M

Youth (0-14)

Poland

14.1%

vs

Ukraine

13.4%

Elderly (65+)

Poland

21.3%

vs

Ukraine

19.1%

Where the two pyramids differ

The pyramids are overlaid so you can read the difference by age and sex: the longer bar in each band marks the country with more people of that age.

📊 Understanding the Population Difference Chart

This visualization shows where and by how much the populations differ between Poland and Ukraine for each age group, split by gender:

Left Side (Males)

Blue = Poland has more males

Green = Ukraine has more males

Right Side (Females)

Pink = Poland has more females

Orange = Ukraine has more females

💡 How to Read: Each age group shows up to 2 bars - one on the left (male difference) and one on the right (female difference). The bar's color tells you which country has more people, and the bar's length shows by how much. For example, if you see a green bar on the left, it means Ukraine has more males in that age group.

Notable Differences (>20% variance):

Ages 80-84: Poland has 24.0% more people
Men: 107K more in Poland • Women: 52K more in Poland
Poland: 292K men, 531K women • Ukraine: 185K men, 479K women
Population Ratio
823K
663K
Ages 95-99: Ukraine has 24.3% more people
Men: 665 more in Poland • Women: 21K more in Ukraine
Poland: 14K men, 49K women • Ukraine: 14K men, 70K women
Population Ratio
63K
83K
Ages 100+: Ukraine has 49.5% more people
Men: 63 more in Ukraine • Women: 8K more in Ukraine
Poland: 1K men, 7K women • Ukraine: 1K men, 15K women
Population Ratio
8K
17K

Demographic comparison, 2026

IndicatorPolandUkraineDifference
Population (2026)37,843,18939,535,848Ukraine has 1.7 million more (1.0×)
Change 2025–2026-0.8% (Declining)+1.4% (Growing)
Median age (2026)43.041.8Poland older by 1.2 yrs
Total fertility rate1.31 — 0.79 below replacement1.00 — 1.10 below replacement
Fertility rate, 2030 (UN projection)1.331.03
Birth rate (per 1,000)7.56.1
Population 2050 (UN projection)32.8 million (-13.3%)32.0 million (-19.1%)
Peak populationPeaks 2023Peaks 1993

Differences by age group, 2026

AgePoland (M / F)Ukraine (M / F)Difference
0-4773K / 729K674K / 652KPoland has 13.3% more people aged 0-4
5-9958K / 906K897K / 858KPoland has 6.2% more people aged 5-9
10-141017K / 964K1141K / 1082KUkraine has 12.2% more people aged 10-14
15-191066K / 1013K1171K / 1115KUkraine has 10.0% more people aged 15-19
20-24892K / 851K1073K / 1046KUkraine has 21.6% more people aged 20-24
25-29978K / 938K1116K / 1104KUkraine has 15.9% more people aged 25-29
30-341217K / 1165K1329K / 1302KUkraine has 10.5% more people aged 30-34
35-391445K / 1395K1669K / 1632KUkraine has 16.2% more people aged 35-39
40-441644K / 1600K1669K / 1652KUkraine has 2.4% more people aged 40-44
45-491563K / 1540K1410K / 1495KPoland has 6.8% more people aged 45-49
50-541353K / 1359K1183K / 1381KPoland has 5.8% more people aged 50-54
55-591098K / 1141K1204K / 1397KUkraine has 16.2% more people aged 55-59
60-641047K / 1145K1231K / 1488KUkraine has 24.0% more people aged 60-64
65-691105K / 1324K1049K / 1483KUkraine has 4.2% more people aged 65-69
70-74965K / 1293K718K / 1260KPoland has 14.1% more people aged 70-74
75-79659K / 1003K457K / 929KPoland has 20.0% more people aged 75-79
80-84292K / 531K185K / 479KPoland has 24.0% more people aged 80-84
85-89167K / 382K170K / 516KUkraine has 25.0% more people aged 85-89
90-9467K / 188K48K / 173KPoland has 15.6% more people aged 90-94
95-9914K / 49K14K / 70KUkraine has 32.2% more people aged 95-99
100+1K / 7K1K / 15KUkraine has 97.8% more people aged 100+

Frequently Asked Questions

Which has more people, Poland or Ukraine?

Ukraine has more: 39.5 million vs 37.8 million in 2026 — 1.0× as many, 1.7 million more people.

Which country is older?

Poland, with a median age of 43.0 vs 41.8 in Ukraine (2026).

Which has higher fertility?

Poland, at 1.31 children per woman vs 1.00 in Ukraine. Replacement is 2.1, so both are below it.

How will Poland and Ukraine compare in 2050?

By 2050 the UN projects Poland at 32.8 million (-13.3% from 2026) and Ukraine at 32.0 million (-19.1%).

Are Poland and Ukraine growing or shrinking?

Poland is declining (-0.8% in 2026); Ukraine is growing (+1.4%).