Data

Election results, geographic crosswalks and covariates.

Vote-share denominators differ across files, and empty cells mean missing values, not zeros. See denominators and opening in Excel.

Federal elections

Documentation
Dataset Geography Years Boundaries Updated Download
federal_muni_raw Municipality 1980–2025 Original 2025-05-07 CSV 45.5 MB Excel 37.5 MB RDS 10.4 MB
federal_muni_unharm Municipality 1980–2025 Original 2026-04-21 CSV 91.3 MB Excel 59.5 MB RDS 25.2 MB
federal_muni_harm_21 Municipality 1990–2025 2021 boundaries 2026-07-30 CSV 64.9 MB Excel 43.4 MB RDS 17.2 MB
federal_muni_harm_25 Municipality 1990–2025 2025 boundaries 2026-07-30 CSV 64.5 MB Excel 43.3 MB RDS 17.2 MB
federal_cty_unharm County 1953–2025 Original 2026-03-27 CSV 4.0 MB Excel 2.3 MB RDS 1.1 MB
federal_cty_harm County 1990–2025 2021 boundaries 2026-03-05 CSV 2.5 MB Excel 2.3 MB RDS 0.7 MB
federal_wkr_unharm Constituency (Wahlkreis) 2002–2025 Original 2026-07-14 CSV 2.0 MB Excel 1.4 MB RDS 0.5 MB
federal_wkr_unharm_long Constituency (Wahlkreis) 2002–2025 Original 2026-07-14 CSV 14.9 MB Excel 7.5 MB RDS 0.8 MB
federal_wkr_2021_on_2025 Constituency (Wahlkreis) 2021 2025 boundaries 2026-07-14 CSV 0.3 MB Excel 0.2 MB RDS 0.1 MB
wkr_2021_to_2025_crosswalk Constituency (Wahlkreis) 2021 → 2025 Crosswalk 2026-07-14 CSV 0.0 MB Excel 0.0 MB RDS 0.0 MB

Related external datasets extending federal coverage beyond GERDA:

State elections

Documentation
Dataset Geography Years Boundaries Updated Download
state_unharm Municipality 1946–2026 Original 2026-09-27 CSV 91.7 MB Excel 29.8 MB RDS 13.3 MB
state_harm_21 Municipality 1990–2026 2021 boundaries 2026-09-27 CSV 62.2 MB Excel 23.9 MB RDS 11.0 MB
state_harm_23 Municipality 1990–2026 2023 boundaries 2026-09-27 CSV 62.1 MB Excel 24.0 MB RDS 11.0 MB
state_harm_25 Municipality 1990–2026 2025 boundaries 2026-09-27 CSV 62.0 MB Excel 24.0 MB RDS 11.0 MB
ltw_wkr_unharm Constituency (Wahlkreis) 1980–2026 Original 2026-09-27 CSV 7.7 MB Excel 2.5 MB RDS 1.2 MB
ltw_wkr_unharm_long Constituency (Wahlkreis) 1980–2026 Original 2026-09-27 CSV 20.3 MB Excel 12.0 MB RDS 1.6 MB

Municipal elections

Documentation
Dataset Geography Years Boundaries Updated Download
municipal_unharm Municipality 1969–2026 Original 2026-08-03 CSV 19.3 MB Excel 13.8 MB RDS 4.0 MB
municipal_harm Municipality 1990–2026 2021 boundaries 2026-09-17 CSV 13.9 MB Excel 10.5 MB RDS 3.0 MB

European elections

Documentation
Dataset Geography Years Boundaries Updated Download
european_muni_unharm Municipality 2009–2024 Original 2026-09-27 CSV 31.9 MB Excel 23.9 MB RDS 9.9 MB
european_muni_harm Municipality 2009–2024 2021 boundaries 2026-09-27 CSV 31.1 MB Excel 23.5 MB RDS 9.6 MB

Mayoral elections

Documentation
Dataset Geography Years Boundaries Updated Download
mayoral_unharm Municipality 1945–2026 Original 2026-08-10 CSV 8.4 MB Excel 5.7 MB RDS 1.7 MB
mayoral_harm Municipality 1945–2026 2021 boundaries 2026-09-17 CSV 9.3 MB Excel 7.0 MB RDS 1.6 MB
mayoral_candidates Mayoral Candidates Municipality 1945–2026 — 2026-08-10 CSV 26.3 MB Excel 15.1 MB RDS 3.4 MB
mayor_panel Mayor Panel Municipality 1945–2026 Original 2026-08-10 CSV 8.1 MB Excel 5.8 MB RDS 1.4 MB
mayor_panel_annual Mayor Panel (annual) Municipality 1945–2026 Original 2026-08-10 CSV 46.3 MB Excel 25.7 MB RDS 1.6 MB
mayor_panel_harm Mayor Panel Municipality 1945–2026 2021 boundaries 2026-09-17 CSV 8.5 MB Excel 6.0 MB RDS 1.4 MB
mayor_panel_annual_harm Mayor Panel (annual) Municipality 1945–2026 2021 boundaries 2026-09-17 CSV 48.8 MB Excel 26.8 MB RDS 1.6 MB

Hessen candidate names for 1993–2012 come from Hessami, Zohal (2018), “Accountability and Incentives of Appointed and Elected Public Officials”, Review of Economics and Statistics 100(1): 51–64, replication data doi:10.7910/DVN/FZWOMK. Please cite it alongside GERDA when you use them. Only the elected person is named for those years; losing candidates are not.

Landrat elections

Documentation
Dataset Geography Years Boundaries Updated Download
landrat_unharm County 1945–2026 Original 2026-09-27 CSV 0.3 MB Excel 0.2 MB RDS 0.1 MB
landrat_candidates Landrat Candidates County 1945–2026 — 2026-09-27 CSV 1.1 MB Excel 0.7 MB RDS 0.2 MB

County council elections

Documentation
Dataset Geography Years Boundaries Updated Download
county_elec_unharm Municipality & County 1948–2026 Original 2026-08-03 CSV 59.5 MB Excel 11.7 MB RDS 5.4 MB
county_elec_harm_21_cty County 1990–2026 2021 boundaries 2026-08-03 CSV 2.1 MB Excel 0.6 MB RDS 0.3 MB
county_elec_harm_21_muni Municipality 1991–2026 2021 boundaries 2026-08-03 CSV 41.3 MB Excel 11.0 MB RDS 4.7 MB
county_council_seats County Council Seats County 2008–2025 2021 boundaries 2026-07-22 CSV 1.5 MB Excel 0.6 MB RDS 0.1 MB

Additional files

Harmonization notes
Dataset Geography Years Boundaries Updated Download
ags_crosswalks Crosswalks Municipality 1990–2021 — 2026-03-27 CSV 28.5 MB Excel 18.8 MB RDS 2.2 MB
ags_1990_to_2025_crosswalk Crosswalks Municipality 1990–2025 — 2026-07-30 CSV 29.6 MB Excel 17.8 MB RDS 1.2 MB
cty_crosswalks Crosswalks County 1990–2021 — 2024-10-01 CSV 1.0 MB Excel 0.7 MB RDS 0.1 MB
VG250_GEM / VG250_KRS Shapefiles Municipality/County 2000, 2021 — — 2000 2021
ags_area_pop_emp Covariates Municipality 1990–2023 Harmonized 2026-03-27 CSV 20.6 MB Excel 13.8 MB RDS 3.2 MB
cty_area_pop_emp Covariates County 1990–2023 Harmonized 2024-10-01 CSV 0.8 MB Excel 0.6 MB RDS 0.2 MB