There is no legitimate ranking or data on "richest scammers" in Ghana or anywhere.
Scamming (advance-fee fraud, romance scams, etc.) is a serious crime that devastates victims financially and emotionally. It undermines trust, damages Ghana's international reputation, and perpetuates poverty.
Law enforcement (Ghana Police, EOCO, FBI collaboration) actively pursues cybercriminals. The focus should be on legitimate education, entrepreneurship, and ethical wealth creation.