Section 8 of the Sexual Offences Act (Kenya) 20026 creates the offence of defilement and prescribes strict sentencing thresholds depending on the age of the complainant. A conviction attracts life imprisonment where the child is aged eleven years and below, a minimum of twenty years where the child is between twelve and fifteen years, and a minimum of fifteen years where the child is between sixteen and eighteen years.
On its face, the provision reflects a strong legislative intent to protect children from sexual exploitation. However, its rigid structure has long raised constitutional and practical concerns regarding proportionality and judicial discretion.
This issue has been directly addressed in Kenyan jurisprudence. In Dismas Wafula Kilwake v Republic (2018), Justice George Odunga held that mandatory minimum sentences under the Sexual Offences Act restrict judicial discretion and may lead to unconstitutional outcomes where courts are prevented from considering the individual circumstances of each case.The Court of Appeal of Kenyain its appeal similarly affirmed the importance of sentencing discretion, recognizing that justice requires courts to retain the ability to tailor punishment to the facts before them rather than apply rigid statutory minimums mechanically.Taken together, this jurisprudence demonstrates an important development: while the statute appears rigid, judicial interpretation has already moved towards recognizing flexibility and proportionality in sentencing.
However, this judicial evolution does not fully resolve the underlying issue. The law on its face still contains mandatory sentencing language, and in practice, outcomes can vary depending on judicial approach. This creates uncertainty and inconsistency in how similar cases are treated.
More importantly, it exposes a deeper gap in the law. Not all cases captured under Section 8 involve predatory conduct or sexual exploitation. Some involve close-in-age adolescent relationships that may be consensual in nature. At the same time, it must also be acknowledged that not all such relationships are harmless some may involve coercion, grooming, or power imbalances. The law must therefore be capable of distinguishing between these different realities.
This is where the current framework falls short. While courts may exercise discretion in sentencing, there is no clear statutory structure guiding when and how such discretion should be applied. Justice therefore depends heavily on interpretation rather than clear legal design.
The appropriate response is not the removal of protection, but the refinement of the law. Codification of clear principles would ensure consistency while preserving judicial flexibility. This could include:-
i. A close-in-age exemption, excluding liability where both parties are adolescents within a narrow age gap and the relationship is consensual, with no exploitation or abuse of authority;
ii. An explicit statutory recognition of sentencing discretion, allowing courts to depart from minimums where justice requires; and
iii. Clear exclusion of situations involving coercion, grooming, or power imbalance, ensuring that serious abuse remains firmly punishable.
Such reforms would not weaken the Sexual Offences Act. Rather, they would strengthen it by ensuring that it distinguishes more precisely between exploitation and consensual adolescent relationships, and between harm and technical legal violation.Ultimately, the jurisprudence already signals the direction of travel: justice under Section 8 cannot be purely mechanical. The next step is legislative clarity, ensuring that fairness does not depend on judicial variability but is embedded within the law itself.
By Patricia Kahura
Advocate of the High Court of Kenya,
Founder at Wanjiru Kahura Advocates.
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