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-.
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Answers by country

0-
0+
AB-
AB+
answers
flagPakistan
17%
5%
75%
1%
52
flagItaly
25%
6%
62%
6%
16
flagthe Philippines
12%
6%
61%
19%
31
flagUnknown
11%
11%
58%
17%
17
flagRomania
36%
9%
54%
0%
11
flagAustralia
18%
8%
51%
22%
49
flagIndia
32%
7%
50%
9%
262
flagGreece
31%
12%
50%
6%
16
flagGermany
25%
12%
49%
12%
116
flagthe United Kingdom
23%
8%
46%
21%
141
flagthe United Arab Emirates
27%
0%
45%
27%
11
flagCanada
30%
12%
42%
12%
40
flagRepublic of Ireland
25%
4%
41%
29%
24
flagthe United States
29%
11%
40%
18%
518
flagthe Netherlands
15%
23%
38%
15%
13
flagSingapore
46%
7%
38%
7%
13
flagPoland
43%
9%
37%
8%
15686
flagMalaysia
31%
12%
31%
25%
16
flagSwitzerland
53%
0%
26%
20%
15
flagAustria
57%
10%
21%
10%
19