Nigeria’s voter register size and turnout questioned ahead of 2027 elections

Ahead of the general elections scheduled for January and February 2027, concerns are being raised about the reliability of Nigeria’s electoral register. Legal scholar Chidi Anselm Odinkalu has highlighted discrepancies between the number of registered voters and demographic realities, suggesting that the Independent National Electoral Commission (INEC) may be working with an inflated roll. Africa Confidential has warned that voter turnout could fall even lower than the 26.7 % recorded in the 2023 election, the lowest since the return to civilian rule in 1999.

Official figures show more than 93.4 million people listed on the register, yet only 24.9 million votes were cast in the last election. This represents an 8.03‑point decline from the 2019 poll and underscores a pattern of decreasing participation that analysts attribute to voter apathy and possible flaws in the register itself.

Background

Nigeria’s electoral participation has been on a downward trajectory since the first democratic election in 1999, when turnout stood at 52.3 %. Subsequent elections saw a peak of 69 % in 2003 before falling to 57.5 % in 2007, 53.7 % in 2011, 43.7 % in 2015, 34.8 % in 2019 and finally 26.7 % in 2023. The decline occurs against a backdrop of rapid population growth: the national population was estimated at 115.8 million in 1999 and is now around 244 million, an increase of roughly 111 %.

Despite this surge, the voter register has expanded by only about 81 % over the same period. Odinkalu points out that a credible demographic management system is missing, noting that the National Population Commission reports only 53 % of births and 10 % of deaths are officially recorded. Without accurate vital statistics, the electoral roll cannot be reliably updated to remove deceased individuals or reflect internal migration, leading to potential over‑counting.

Life expectancy in Nigeria has risen by about nine years since 1999, and crude death rates have fallen. In theory, these trends should cause the voting‑eligible population to grow faster than the overall population, yet the register’s slower growth suggests inconsistencies.

Why it matters

If the electoral register is inflated, turnout percentages become misleading, potentially obscuring the true level of citizen engagement. Low participation rates, combined with doubts about the roll’s accuracy, could undermine confidence in the legitimacy of the upcoming elections. Stakeholders such as political parties, civil society groups and international observers rely on credible data to assess the fairness of the process.

The demographic mismatch also raises practical concerns for election logistics. An overstated voter list may strain resources at polling stations, while an understated list could disenfranchise eligible voters. Moreover, the lack of a robust demographic verification system hampers efforts to address voter apathy, as policymakers cannot accurately target outreach or reform measures.

What happens next

Ahead of the 2027 polls, INEC is expected to conduct a fresh voter registration exercise, though details on methodology and timelines have not been disclosed in the sources. Analysts such as Odinkalu recommend establishing a national demographic management system to synchronize birth and death records with the electoral roll. Until such mechanisms are in place, the credibility of Nigeria’s voter register and the interpretation of turnout figures will remain contested.

The ongoing debate underscores the importance of transparent data management for Nigeria’s democratic process, especially as the country prepares for elections that will shape its political landscape for the next five years.