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
12%
3%
74%
9%
31
flagLithuania
14%
0%
71%
14%
14
flagAustria
30%
0%
61%
7%
13
flagthe Philippines
6%
13%
60%
20%
15
flagIndia
29%
6%
56%
7%
141
flagAustralia
34%
4%
47%
8%
23
flagthe United States
28%
9%
44%
16%
423
flagCanada
30%
12%
44%
14%
50
flagSweden
37%
11%
44%
7%
27
flagthe Netherlands
31%
11%
42%
13%
45
flagRepublic of Ireland
45%
5%
41%
7%
55
flagPoland
33%
8%
48%
8%
17679
flagItaly
33%
6%
39%
21%
33
flagFrance
41%
5%
38%
15%
39
flagSpain
31%
10%
36%
21%
19
flagNorway
42%
7%
35%
14%
28
flagSwitzerland
47%
17%
35%
0%
17
flagUnknown
51%
13%
26%
8%
692
flagthe United Kingdom
19%
5%
70%
5%
572
flagGermany
75%
3%
17%
3%
417

Gender

men23%
women41%
0-
30%
44%
0+
16%
7%
AB-
46%
41%
AB+
6%
6%

Language versions

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Which blood type is the least common?
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