Electorate of UNIÃO · PI

What is the profile of the electorate of UNIÃO/PI in 2026?

UNIÃO has 38,750 voters in 2026: 50.8% are women; the age group with the most voters is 45 to 59 years old (23%); 7.8% reached higher education (complete or incomplete; in Piauí, 12%).

Source: Brazil's Superior Electoral Court (TSE), 2026 electorate profile. Percentages among those who reported each item.

Who votes in UNIÃO in 2026 and the municipality's economy, compared with the state. Want to see this data by neighborhood and by school (polling place)? Explore the full Mapa do Voto analysis.

2026 electorate

38,750voters in União · 2026

Gender

Male49.2%state 48.3%

Female50.8%state 51.7%

Age group

16 to 172%state 2%

18 to 2413.2%state 12.4%

25 to 3420.4%state 19.3%

35 to 4421%state 20%

45 to 5923%state 24.3%

60 to 6910.6%state 11.5%

70 or older9.8%state 10.6%

Education

Illiterate14.5%state 7.7%

Reads and writes7.7%state 12.7%

Elementary school28.6%state 27.6%

High school41.3%state 40.1%

Higher education7.8%state 12%

Marital status

Single69.6%state 66.6%

Married26%state 28%

Divorced2.5%state 3.1%

Widowed1.8%state 2.3%

Color or race

White7.9%state 17.5%

Black9.4%state 11.6%

Pardo (mixed race)82.4%state 69.9%

Asian descent0.3%state 0.9%

Indigenous0%state 0.1%

76.9% did not report color or race; the percentages are among those who did.

Who votes in União in 2026 and how the municipality compares with PI and with Brazil (the marks on the bar are the state and national percentages). Percentages calculated among those who reported each item. Source: Brazil's Superior Electoral Court (TSE).

Municipality profile

Population (2025)47,896

GDP per capita (2023)R$ 12,718

Income per capita in the stateNo. 136 of 224

Total GDP (2023)R$ 609 million

The municipality's economy. Source: IBGE/SIDRA (GDP 2023, population 2025).

Want to see the votes in UNIÃO (mayor, city councillor and the general elections)? Results for UNIÃO →