Ukraine is approximately 603,550 sq km, while Gibraltar is approximately 7 sq km, making Gibraltar 0.0% the size of Ukraine. Meanwhile, the population of Ukraine is ~43.9 million people (43.9 million fewer people live in Gibraltar).
This to-scale map shows a size comparison of Ukraine compared to Gibraltar. For more details, see an in-depth quality of life comparison of Gibraltar vs. Ukraine using our country comparison tool.