ZRA Revenue Hits 160 Billion Kwacha By Patricia Banda The Zambia Revenue Authority –ZRA- has increased its tax revenue collections to 160 billion Kwacha in 2025. ZRA Board Chairperson CALEB FUNDANGA says this is up from the 58.7 billion Kwacha collected in 2020. Dr. FUNDANGA says the increase represents an average annual growth rate of 21.3 percent. He says the growth is not merely a numerical rise but a demonstration of resilience, adding that next year the Authority aims to mobilise 185 billio