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
18%
5%
73%
1%
53
flagItaly
23%
5%
64%
5%
17
flagUnknown
11%
11%
58%
17%
17
flagAustralia
15%
8%
55%
20%
59
flagthe Philippines
20%
5%
55%
17%
34
flagGreece
33%
9%
52%
4%
21
flagIndia
33%
8%
50%
8%
290
flagthe Netherlands
12%
18%
50%
12%
16
flagFrance
14%
14%
50%
21%
14
flagthe United Kingdom
27%
7%
45%
19%
166
flagRepublic of Ireland
20%
3%
44%
31%
29
flagGermany
36%
10%
43%
10%
174
flagthe United States
29%
10%
42%
17%
553
flagCanada
34%
11%
39%
11%
43
flagSingapore
46%
7%
38%
7%
13
flagPoland
43%
9%
37%
8%
16195
flagMalaysia
29%
11%
35%
23%
17
flagSwitzerland
47%
0%
35%
17%
17
flagNigeria
60%
0%
33%
6%
15
flagAustria
51%
6%
19%
22%
31