Sri Lanka's population is estimated by the United Nations to be 21.9 million in 2021.
The population of Sri Lanka grew at 0.4% in the last year and is ranked the 22th most populated country in Asia-Pacific, ahead of Kazakhstan.
Sri Lanka last conducted a national census in 2012 and 97.2% of births in Sri Lanka are recorded. Read more from the World Econcomics Population Data Quality Ratings and see how Sri Lanka compares to other countries around the world and in the Asia-Pacific region.
Sri Lanka's data is highlighted in the table below, use the filter and sort order options to allow easy comparison with other countries.
Data source: United Nations, Washington D.C., Eurostat, Luxembourg and World Economics Research, London