Sri Lanka Gross Domestic Product is worth 50 billion dollars or 0.08% of the world economy, according to the World Bank. Historically, from 1960 until 2010, Sri Lanka's average Gross Domestic Product was 10.46 billion dollars reaching an historical high of 49.55 billion dollars in December of 2010 and a record low of 1.42 billion dollars in December of 1960. Sri Lanka is a developing economy off ...