Ireland is approximately 70,273 sq km, while Lithuania is approximately 65,300 sq km, making Lithuania 92.92% the size of Ireland. Meanwhile, the population of Ireland is ~5.2 million people (2.4 million fewer people live in Lithuania).
This to-scale map shows a size comparison of Ireland compared to Lithuania. For more details, see an in-depth quality of life comparison of Lithuania vs. Ireland using our country comparison tool.