Language Accessibility of Financial Product Information in Nigerian Microfinance Institutions: A Professional Review

Microfinance institutions serve primarily low-income clients in Nigeria whose financial literacy and English proficiency levels are often limited, yet the language used in product information documents, loan agreements, and client communication at many microfinance institutions remains inaccessibly formal and complex. This study conducts a professional applied linguistics review of the language accessibility of financial product information materials at ten microfinance institutions in Anambra, Kano, and Lagos states, representing South East, North West, and South West Nigeria respectively. Language accessibility assessment combined readability analysis of sixty financial documents using the Flesch-Kincaid and Plain English readability metrics adapted for Nigerian English, plain language compliance checklist assessment, and comprehension testing of selected documents with forty low-income clients. Readability analysis reveals that the majority of assessed documents exceed university reading level on adapted metrics, significantly above the primary-to-junior secondary education level of most microfinance clients. Plain language compliance is poor, with passive voice over-use, excessive nominalization, legal jargon, and complex sentence structures identified as the most frequent accessibility barriers. Client comprehension testing confirms that document complexity results in significant misunderstanding of key loan terms, interest calculation methods, and penalty provisions. The study provides a set of rewritten model document samples demonstrating plain language principles applicable to microfinance communication and recommends client literacy as a regulatory concern for the Central Bank of Nigeria microfinance supervision framework. Keywords: language accessibility, microfinance, plain language, financial communication, Nigeria.