The following is a fintech and wider digital and economic development overview of Indonesia in 2026.As Southeast Asia’s largest economy and most populous nation, Indonesia is no longer simply an emerging fintech market. It is becoming a system where digital finance, policy and infrastructure converge to drive inclusion across a vast and diverse archipelago.Indonesia’s gross domestic product (GDP) has grown to approximately $1.5trillion, making it the largest in Southeast Asia based on this metric. It is the ...