Solomon Islands is approximately 28,896 sq km, while Tajikistan is approximately 144,100 sq km, making Tajikistan 399% larger than Solomon Islands. Meanwhile, the population of Solomon Islands is ~685,097 people (8.2 million more people live in Tajikistan).
This to-scale map shows a size comparison of Solomon Islands compared to Tajikistan. For more details, see an in-depth quality of life comparison of Tajikistan vs. Solomon Islands using our country comparison tool.