New Zealand is approximately 268,838 sq km, while Tunisia is approximately 163,610 sq km, making Tunisia 60.86% the size of New Zealand. Meanwhile, the population of New Zealand is ~4.9 million people (6.8 million more people live in Tunisia).
This to-scale map shows a size comparison of New Zealand compared to Tunisia. For more details, see an in-depth quality of life comparison of Tunisia vs. New Zealand using our country comparison tool.