On Saturday, August 15, voters in Osun State will go to the polls to elect a governor in what is shaping up to be one of Nigeria’s most closely watched political contests ahead of the 2027 general elections.

The election is the final governorship poll on the Independent National Electoral Commission’s current calendar before the 2027 general elections, giving it significance beyond Osun State. For INEC, political parties and security agencies, the vote will provide another test of Nigeria’s ability to conduct a competitive election amid concerns over political violence, electoral technology and declining voter participation.

Fifteen candidates are listed for the election after INEC added the Social Democratic Party candidate to the ballot following a court order.

Some candidates have since announced their withdrawal or endorsed rivals, but the contest is widely seen as being dominated by three contenders: incumbent Governor Ademola Adeleke of the Accord Party; Bola Oyebamiji of the All Progressives Congress (APC); and Najeem Salaam, a former Speaker of the Osun State House of Assembly, of the African Democratic Congress (ADC).

Adeleke, who won the 2022 election on the platform of the Peoples Democratic Party before moving to Accord, is seeking a second term.

Oyebamiji is attempting to return the APC to power in the state, while Salaam is backed by former Osun governor Rauf Aregbesola, now a prominent figure in the ADC.

Osun has 30 local government areas and 2,339,233 registered voters. INEC said 1,906,390 Permanent Voter Cards, representing 81.5 per cent of the total, had been collected ahead of the election.

The state has a history of closely contested governorship elections and post-election disputes. That history, combined with the political realignments surrounding the three leading candidates, means Saturday’s vote will be watched not only for who wins, but also for what it says about the credibility and resilience of Nigeria’s electoral system.

Political Violence Raises the Stakes

Security has emerged as one of the most serious concerns ahead of the election.

A pre-election security assessment by Kimpact Development Initiative (KDI) recorded 73 election-related violent incidents and 29 deaths during the period it reviewed. The organisation warned that violence had become a significant threat to the conduct of the election and to voter participation.

The figures underline a broader concern: when voters believe that going to a polling unit could expose them to violence or intimidation, the consequences extend beyond public safety. Fear can discourage participation and weaken confidence in the legitimacy of the electoral process.

Political tensions have also been heightened by allegations and counter-allegations among rival parties, arrests of political actors and inflammatory rhetoric during the campaign period. Governor Adeleke’s wife, Titilola Adeleke, recently joined a protest over what participants described as arrests and intimidation of Accord supporters. The accusations remain part of a wider partisan dispute surrounding the election.

Security agencies have significantly increased their presence in the state. Police authorities have announced the deployment of 14,692 officers, while the Nigeria Security and Civil Defence Corps said it would deploy more than 10,000 personnel for the election.

The scale of the deployment reflects the authorities’ assessment of the risks. But numbers alone will not determine whether voters feel secure. The conduct, neutrality and professionalism of security personnel will be equally important.

For the election to command public confidence, security agencies must protect voters, election officials and materials without appearing to favour any political party.

INEC, BVAS and Public Trust

The second major test concerns INEC itself.

Nigeria has increasingly relied on technology to improve voter accreditation and the transparency of election results. The Bimodal Voter Accreditation System, or BVAS, uses biometric information to authenticate voters, while the INEC Result Viewing Portal allows polling-unit result sheets to be uploaded for public viewing.

The technologies were central to expectations surrounding the 2023 general elections. However, difficulties experienced during the upload of presidential election results generated controversy and damaged public confidence in INEC’s technological systems.

INEC has since said it has made improvements based on lessons from the 2023 elections. Its officials have pointed to subsequent off-cycle and other elections as evidence that the commission has strengthened its procedures and technology.

The Osun election will provide another important opportunity to assess those claims.

INEC conducted a mock accreditation exercise on August 1 to test BVAS devices under conditions similar to those expected on election day. The commission said the exercise was intended specifically to assess the functionality and efficiency of the system ahead of the poll.

Fresh debate has nevertheless emerged over the technology after INEC’s Director of Information and Communication Technology, Dr Lawrence Bayode, said BVAS devices operate on Android 10.

Critics, including opposition political figures, have questioned the continued use of an older operating system and raised concerns about potential security vulnerabilities. INEC, however, has argued that the devices are configured specifically for electoral use and that the age of the underlying operating system should not on its own be taken as evidence that BVAS is insecure. Bayode has also said the system contains additional safeguards and is not comparable to an ordinary consumer Android device.

The distinction is important. The fact that a device uses an older operating system does not in itself establish that it will fail or can be compromised. But the controversy illustrates a larger challenge confronting INEC: technical explanations must be accompanied by sufficient transparency to maintain public trust.

For many voters, the critical question on Saturday will be simpler — whether BVAS works consistently, voters are accredited without unnecessary delays, and polling-unit results are handled transparently.

Can Osun Reverse Declining Voter Turnout?

The third test is voter participation.

Osun has seen a long-term decline in turnout despite growth in the number of registered voters.

Available election data show that turnout exceeded 50 per cent in the state’s governorship elections in 2003 and 2014 before falling to about 45.7 per cent in 2018 and roughly 42 per cent in 2022. The 2022 election recorded the lowest turnout in the state’s recent governorship election history.

That trend presents a challenge for both INEC and the political system.

More people may be registered to vote in 2026, but registration alone does not guarantee participation. Political violence, fear of intimidation, distrust of electoral institutions and dissatisfaction with political choices can all affect whether voters ultimately turn up at polling units.

With more than 2.3 million registered voters but about 1.9 million collected PVCs, the gap between the size of the electorate and actual participation will again be closely watched.

A peaceful election with improved participation would strengthen confidence that some of the lessons of previous polls have been absorbed. Another decline in turnout, particularly if linked to fear or violence, would raise more difficult questions ahead of 2027.

A Test Beyond Osun

Saturday’s election will ultimately determine who governs Osun State for the next four years. But its significance is unlikely to end with the declaration of a winner.

For INEC, it is an opportunity to demonstrate that electoral technology and operational procedures have improved. For security agencies, it is a test of whether they can protect voters while maintaining political neutrality. For political parties, it is a test of whether intense competition can take place without violence. And for voters, it is another measure of whether participation in the democratic process is worth the risks and frustrations many have come to associate with elections.

No single state election can determine what will happen in Nigeria’s 2027 general elections. Osun, however, comes at an important moment.

If the election is peaceful, transparent and competently administered, it could strengthen public confidence ahead of the national polls. If it is marred by violence, technological failures or serious disputes over the integrity of the process, the questions raised will extend far beyond Osun State.

Elections are contests for political power, but they are also tests of institutions. On August 15, Nigeria will be watching both.