Which lake is the oldest in the world?

Caspian Sea
Lake Superior
Lake Victoria
Lake Baikal
Lake Baikal is the deepest and the oldest lake, at least 25 million years old. It was formed as an ancient rift valley. Due its age, size and iso­la­tion, it hosts about 1000 endemic species of plants and animals (which can be found nowhere else in the world).

Answers distribution

Caspian Sea
Lake Superior
Lake Victoria
Lake Baikal
answers
flagLithuania
10%
0%
0%
89%
19
flagUkraine
10%
0%
5%
84%
19
flagRussia
4%
4%
9%
77%
22
flagSpain
12%
2%
7%
75%
40
flagDenmark
13%
4%
17%
65%
23
flagRepublic of Ireland
16%
4%
14%
64%
42
flagAustria
20%
4%
12%
64%
25
flagBelgium
4%
9%
22%
63%
22
flagSweden
13%
13%
13%
60%
15
flagthe Netherlands
16%
4%
19%
59%
42
flagItaly
28%
6%
6%
59%
32
flagPoland
20%
6%
13%
58%
13995
flagthe United Kingdom
21%
5%
14%
58%
400
flagGermany
25%
2%
13%
58%
209
flagCanada
17%
12%
12%
57%
73
flagNorway
25%
2%
20%
52%
40
flagAustralia
31%
4%
13%
50%
44
flagFrance
25%
9%
15%
50%
32
flagthe United States
27%
9%
13%
47%
646
flagIndia
27%
19%
18%
33%
111

Gender

men59%
women55%
Caspian Sea
20%
22%
Lake Superior
7%
7%
Lake Victoria
12%
13%
Lake Baikal
59%
55%

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answers
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Which lake is the oldest in the world?
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