This article highlights the struggles of informal market traders in Kenya under a regressive tax system, advocating for the adoption of progressive taxation. Traders like Mary Wanjiku face numerous levies, making it difficult to earn a livelihood.

• Most important fact or figure: The current tax system places a heavy burden on the poor, exemplified by multiple levies on informal traders.
• Key person or organization involved: Mary Wanjiku, a market trader at Nairobi's Muthurwa market, represents the struggles of small business owners.
• Notable detail that adds context: Levies include market fees, security charges, and “compliance” charges demanded by county askaris.