Independent. Non-partisan. Publicly accessible.

Research pack preview · Snapshot 2026-09-11

Mombasa, across four ballots.

A sample of the county briefing. The full pack organises available presidential and local-office records with sources and field definitions.

2013

Recorded valid votes: 269,314

Recorded leader: Raila Odinga

Lead: 125,192 votes

Constituency records aggregated to county level. Source: IEBC: 4th March 2013 General Election – Election Data

2017 August

Recorded valid votes: 342,337

Recorded leader: Raila Odinga

Lead: 139,619 votes

Annulled presidential election; retained as a historical record. Source: IEBC: Data Report of 2017 Elections, April 2020

2017 October

Recorded valid votes: 80,464

Recorded leader: Uhuru Kenyatta

Lead: 77,018 votes

Fresh presidential election; separate from August. Source: IEBC: Data Report of 2017 Elections, April 2020

2022

Recorded valid votes: 277,301

Recorded leader: Raila Odinga

Lead: 47,315 votes

County presidential declaration; declaration register used for turnout. Source: IEBC: 2022 presidential declaration, 15 August 2022

Coverage before conclusions

This snapshot includes 126 contest records for Mombasa across the available offices. Coverage is not uniform. The 2022 archive includes MCA results from the final supplied workbook. The 2013 presidential summary aggregates constituency records; later summaries use county records. No missing result is treated as zero.

The full report includes a coverage table and the underlying candidate records. Verify important claims against the named original source before publication.