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
7%
3%
78%
10%
28
flagLithuania
15%
0%
69%
15%
13
flagAustria
25%
0%
66%
8%
12
flagthe Philippines
0%
16%
66%
16%
12
flagSouth Africa
18%
0%
63%
18%
11
flagIndia
31%
5%
53%
8%
119
flagAustralia
33%
4%
52%
4%
21
flagthe United States
28%
8%
45%
16%
395
flagCanada
29%
12%
43%
14%
48
flagRepublic of Ireland
44%
5%
42%
7%
52
flagthe Netherlands
29%
12%
41%
14%
41
flagFrance
40%
5%
40%
14%
35
flagNorway
40%
8%
40%
12%
25
flagSweden
40%
13%
40%
4%
22
flagPoland
33%
8%
49%
8%
15468
flagSpain
30%
7%
38%
23%
13
flagItaly
34%
6%
34%
24%
29
flagUnknown
50%
14%
27%
7%
372
flagthe United Kingdom
19%
5%
70%
4%
546
flagGermany
77%
3%
15%
3%
391

Gender

men22%
women41%
0-
25%
44%
0+
17%
7%
AB-
50%
41%
AB+
6%
7%

Language versions

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Which blood type is the least common?
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