HELLO-AMHANI/electoral-dataset

Nigeria Presidential Elections & Global Incumbent Re-election Dataset # Nigeria Presidential Elections & Global Incumbent Re-election Dataset ## Overview This project combines two research threads into a single Google Sheets workbook for analysis: 1. **Global incumbent re-election outcomes** — presidents who contested re-election worldwide, and whether they won or lost. 2. **Nigeria 2015 & 2023 presidential elections** — candidate-level results Showing how both presidents won by starting fresh as non-incumbents, voter turnout, registered voter data and the total population of each year. The goal is to place Nigeria's two most consequential recent elections (2015: first incumbent defeat in Nigerian history; 2023: most fragmented result in the Fourth Republic) in the context of global and regional incumbency patterns. ## Structure (3 sheets) ### Sheet 1 — Incumbent Presidents (Worldwide) Every row is one incumbent's re-election attempt. | Column | Description | |---|---| | Country | Country name | | Region | Nigeria / West Africa / East Africa / Southern Africa / North Africa / Central Africa / North America / Europe-Asia / South America etc. | | President | Incumbent's name | | Election Year | Year of the re-election contest | | Incumbent Contesting? | Yes / No / context notes (e.g. succession cases) | | Outcome (Won/Lost) | Result for the incumbent | | Term # if Won | Which term this represents | | Margin / Vote Share | Vote share or margin, where confirmed | | Notes | Context (disputes, annulments, coups, term-limit changes, etc.) | | Source | Source(s) used for verification | **Coverage:** Nigeria (complete, 1979–2023), West Africa (partial Côte d'Ivoire, Ghana), broader Africa (6 countries: Kenya, Uganda, Zimbabwe, Egypt, Cameroon, Rwanda), Worldwide (flagship cases only: United States full history 1800–2024, Russia, Venezuela). **~40 African and ~150 worldwide countries are not yet researched.** ### Sheet 2 — 2015 Nigeria Presidential Election Merged from three original tabs: candidate results, voter turnout, registered v …