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All Journal Parameter: Journal of Statistics
Alfred Ayo Ayenigba
Ajayi Crowther University, Oyo, Nigeria
Computer Science & IT Decision Sciences, Operations Research & Management Mathematics

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EXAMINING LIFE EXPECTANCY PATTERNS BY REGION, COUNTRY, AND GENDER IN AFRICA Alfred Ayo Ayenigba; Abraham Soji Taiwo
Parameter: Journal of Statistics Vol. 6 No. 1 (2026)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/27765660.2026.v6.i1.18025

Abstract

This study examines life expectancy patterns across 54 African countries, utilizing secondary data from the World Health Organization (WHO) and Statista. Employing descriptive statistics, a paired sample t-test, and a Wilcoxon signed-rank test, the analysis reveals pronounced regional disparities: North Africa records the highest average life expectancy (73.2 years), followed by Southern Africa (65.9 years), East Africa (64.1 years), West Africa (63.3 years), and Central Africa (61.9 years). A statistically significant female longevity advantage of 4.40 years (t = 19.18, p < 0.001; Wilcoxon Z = 6.1, p < 0.001) is observed consistently across all regions, with the widest gender gap in Southern Africa (6.2 years) and the narrowest in East Africa. Eritrea is a notable anomaly, where male life expectancy marginally exceeds female by 0.3 years. These findings underscore the need for gender-sensitive health policies and targeted regional interventions to address persistent health inequities across Africa.
Co-Authors Abraham Soji Taiwo