Simplify the following text for a Grade 12 native English-speaking person.
Original: The lake is divided among four countries -- Burundi , Democratic Republic of the Congo ( DRC ) , Tanzania and Zambia , with the DRC ( 45 % ) and Tanzania ( 41 % ) possessing the majority of the lake .
Simplified: The lake is divided between four countries â `` Burundi , Democratic Republic of the Congo ( DRC ) , Tanzania and Zambia .