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1. Had a brutal history of genocide
In Burundi Hutus were mass killed first by Tutsis in 1972 and vice versa in 1993. In Rwanda only the minority Tutsi population were mass killed by the majority Hutu population
Rwanda
Both
Burundi
2. Is the larger one by area
Burundi is just a little bit larger than Rwanda
Rwanda
Burundi
3. Is world's least happiest country
Burundi
Rwanda
4. Gained independence from Belgium
They were both called Ruanda-Urundi under the Belgian rule
Burundi
Both
Rwanda
5. Paul Kagame is its president
Took office in 2000
Burundi
Rwanda
6. More than half of the population is Catholic
Both
Rwanda
Burundi
7. Is one of Africa's fastest growing economies
Burundi
Rwanda
Both
8. Has a sun on its flag
Rwanda
Burundi
Both
9. Hutu people are the largest ethnic group
Rwanda
Both
Burundi
10. Kigali is its capital
Burundi
Rwanda
11. About 90% of its population is employed in agriculture
Burundi
Both
Rwanda
12. Borders the Lake Tanganyika
Both
Rwanda
Burundi
13. Has Africa's second highest average elevation
Rwanda
Burundi
14. Moved its capital to its second-largest city in February 2019
Gitega used to be the capital of the Kingdom of Burundi up till its abolition in 1966
Burundi
Rwanda
15. English and French are two of its official languages
Rwanda has Kinyarwanda and Swahili and Burundi Kirundi as their official languages together with English and French
Both
Rwanda
Burundi
16. Is one of the two countries to have mountain gorillas
The other country to have mountain gorillas is Uganda