Solomon Islands is approximately 28,896 sq km, while Barbados is approximately 430 sq km, making Barbados 1.49% the size of Solomon Islands. Meanwhile, the population of Solomon Islands is ~685,097 people (390,537 fewer people live in Barbados).
This to-scale map shows a size comparison of Solomon Islands compared to Barbados. For more details, see an in-depth quality of life comparison of Barbados vs. Solomon Islands using our country comparison tool.