Which blood type is the least common?

0-
0+
AB-
AB+
AB is the rarest of all AB0 types, and Rh- is always less common than Rh+. In Western Europe, only 1% of the pop­u­la­tion has AB-. In the Eastern Asia Rh- is very rare: in Japan, only 0,05% of the pop­u­la­tion has AB-.

Answers distribution

0-
0+
AB-
AB+
answers
flagUkraine
11%
5%
66%
16%
18
flagthe Philippines
0%
18%
63%
18%
11
flagLithuania
18%
0%
63%
18%
11
flagIndia
30%
6%
54%
8%
112
flagAustralia
31%
5%
52%
5%
19
flagthe United States
29%
8%
45%
16%
362
flagRepublic of Ireland
40%
6%
44%
8%
49
flagNorway
47%
5%
42%
5%
19
flagCanada
30%
13%
41%
15%
46
flagthe Netherlands
27%
13%
41%
13%
36
flagSweden
35%
17%
41%
5%
17
flagFrance
40%
5%
40%
14%
35
flagPoland
32%
8%
50%
8%
13671
flagUnknown
34%
20%
34%
9%
63
flagItaly
34%
6%
34%
24%
29
flagSpain
33%
8%
33%
25%
12
flagSwitzerland
50%
20%
30%
0%
10
flagMalaysia
30%
10%
30%
30%
10
flagthe United Kingdom
18%
5%
71%
4%
515
flagGermany
78%
3%
14%
3%
382

Gender

men22%
women41%
0-
20%
43%
0+
17%
7%
AB-
55%
41%
AB+
6%
7%

Language versions

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Which blood type is the least common?
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