What Kenyan Courts Really Weigh in Election Petitions: Lessons from the Mbeere North By-Election Ruling

When a losing candidate challenges an election result, most people assume the case comes down to a simple question: who got more votes? The High Court’s recent judgment in Newton Kariuki Ndwiga v Independent Electoral and Boundaries Commission & 3 Others (Election Petition No. E002 of 2025, High Court at Embu) is a reminder that Kenyan election law asks a much deeper question, and that answering it well requires meticulous preparation.

CB Mwongela & Co. Advocates acted for the 1st to 3rd Respondents  (the IEBC, the Returning Officer, and the Deputy Returning Officer) in successfully defending the outcome of the Mbeere North Member of National Assembly by-election. On 21 May 2026, Justice R. Mwongo dismissed the petition in its entirety, with costs, confirming the 4th Respondent as the duly elected Member of Parliament.

The “qualitative” and “quantitative” test

The judgment offers a useful primer on how Kenyan courts actually approach these disputes. Drawing on Articles 81 and 86 of the Constitution, the Court explained that an election is assessed on two separate tracks:

Quantitative compliance: did the numbers add up? Were votes counted, tallied, and transmitted accurately?

Qualitative compliance: was the process itself free, fair, transparent, and administered impartially, regardless of the final tally?

A petitioner does not need to prove both to succeed, under the Supreme Court’s disjunctive reading of Section 83 of the Elections Act, either a serious breach of process or a result-altering irregularity can be enough. That dual threshold is precisely why an election respondent needs a legal team capable of defending both the numbers and the story behind them.

Why the petition failed

The petitioner raised a wide range of allegations: from irregular appointment of polling officials and disenfranchisement through failure to deploy the printed voters’ register, to violence, bribery, broken chain of custody, and misuse of state resources. Each of these had to be met head-on, issue by issue, with evidence.

The Court’s analysis shows what actually moves the needle in these cases:

Specificity beats generality. General allegations of “irregularity” collapse quickly under cross-examination unless a petitioner can name the officers, the polling stations, and the precise provision of law allegedly broken.

Documentary trails matter more than narrative. Where the respondents could show that physical registers were present, QR-coded, and replicated inside the KIEMS kits  (and that this was independently confirmed during a court-supervised scrutiny and recount) allegations of disenfranchisement fell away.

Isolated incidents don’t sink an election. The Court found real evidence of violence at two polling stations and of bribery affecting a handful of individuals. But because these incidents were not shown to be widespread, systemic, or capable of altering the result, they did not meet the constitutional threshold for nullification.

The margin matters, but only in context. With a winning margin of 494 votes out of over 34,000 cast, every irregularity mattered on paper, which is exactly why the defence had to be watertight on process at every contested polling station.

The takeaway for candidates, parties, and electoral bodies

Election petitions are decided months after polling day, often on the strength of documents, scrutiny reports, and witness credibility rather than public sentiment. For electoral management bodies and elected officials facing a challenge, the lesson is straightforward: the defence of an election result is won or lost on preparation  (securing materials, maintaining chain-of-custody records, and being ready to account for every polling station in dispute).

If you are navigating an electoral dispute (whether as a candidate, a party, or an electoral body) CB Mwongela & Co. Advocates has direct, recent experience litigating and winning these high-stakes matters. Contact us to discuss your case.

In the preparation and management of the Mbeere North election petition documentation, counsel was assisted by Laureen Atieno Omondi.