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