A recent report from Smart DNA, Nigeria’s foremost DNA testing laboratory, has uncovered a startling statistic that, 25 percent of Nigerian men who undergo paternity testing between July 2024 and June 2025 are not the biological fathers of the children tested.
The 2025 Annual DNA Testing Report by Smart DNA presents a detailed look into the complexities of family trust and identity in Nigeria. While there was a slight drop from 27 percent in 2024 to 25 percent in 2025, the rate of paternity exclusion remains alarmingly high. Of particular concern is the disproportionate impact on firstborn sons, who represent 64 percent of the negative test outcomes, making them the group most affected by non-biological paternity. Firstborn daughters also show elevated exclusion rates, though less dramatically.
This pattern points to cultural and social dynamics influencing early family relationships, such as premarital pregnancies and partner selection strategies. The phenomenon challenges the traditional notions of fatherhood, especially in a society where the male lineage is strongly linked to heritage and inheritance.
Additionally, the surge in immigration-related DNA testing by 13.1 percent shows Nigeria’s “Japa” wave, where families seek documentation for migration and dual citizenship. Parents increasingly use genetic testing as a form of biological verification to secure international documentation, viewing it as a critical tool for mobility and opportunity.
Men dominate the demand for these tests, initiating nearly 90 percent of all cases. Older men aged 41 and above comprise the largest segment of test initiators, possibly motivated by financial stability enabling them to address long-held doubts. Moreover, the majority of children tested are under five years old, indicating early
Geographically, Lagos leads in testing volume, with notable activity in affluent districts such as Lekki and Ajah. Ethnic participation varies, with Yoruba clients accounting for over half of the cases, followed by Igbo, while Hausa representation remains very low due to cultural and religious sensitivities.
Most DNA assessments are privately conducted for reassurance rather than legal battles, only 1.4 percent were court-ordered. Experts advocate for integrating DNA verification into family health services and public education programs to foster openness and counter persistent myths about paternity.
Elizabeth Digia, Operations Manager at Smart DNA Nigeria, said
These findings reveal more than just scientific data, they tell a story about trust, relationships, and the emotional and financial realities Nigerian families face today…we are committed to delivering accurate results while handling this sensitive information with compassion. Nigeria’s lack of legislation on paternity fraud leaves many men vulnerable, and urgent reforms are needed to protect families
The 2025 Smart DNA report not only shows the persistent uncertainties surrounding fatherhood in Nigeria but also opens a vital conversation about family dynamics and social trust.
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