Table 3. Frequency of ABO and Rh(D) blood group in India and other countries.
| States of India | Year | Sample size | A% | B% | AB% | O% | Rh(D+)% | Rh(D-) % | Order of ABO frequency |
| Delhi (present study) | 2022 | 16925 | 23.08 | 37.68 | 9.97 | 29.27 | 94.99 | 5.01 | B>O>A>AB |
| North India (Dehradun) [7] | 2014 | 2042 | 24.53 | 34.47 | 11.55 | 29.43 | 94.8 | 5.19 | B>O>A>AB |
| Delhi[10] | 2016 | 15446 | 22.6 | 37.8 | 10.1 | 29.5 | 94.47 | 5.53 | B>O>A>AB |
| Jharkhand [10] | 2016 | 2055 | 22.09 | 35.15 | 8.03 | 34.73 | 96.46 | 3.54 | B>O>A>AB |
| Madhya Pradesh [10] | 2016 | 800 | 25.63 | 39.25 | 6.5 | 28.63 | 94.88 | 5.12 | B>O>A>AB |
| Haryana [11] | 2016 | 3202 | 22.21 | 37.82 | 9.15 | 30.82 | 91.07 | 8.93 | B>O>A>AB |
| Sola, Ahmadabad [6] | 2012 | 53160 | 21.94 | 39.4 | 7.86 | 30.7 | 95.05 | 4.95 | B>O>A>AB |
| Andhra Pradesh [10] | 2016 | 6942 | 20 | 35.8 | 7.3 | 36.9 | 96.28 | 3.72 | O>B>A>AB |
| Surypet, Telangana [12] | 2019 | 7035 | 17.95 | 32.5 | 5.62 | 43.9 | 95.72 | 4.27 | O>B>A>AB |
| Puducherry [13] | 2019 | 390 | 20 | 35 | 9 | 36 | - | - | O>B>A>AB |
| Karnataka [14] | 2014 | 43,103 | 25.8 | 27.3 | 4.8 | 42 | 94.64 | 5.35 | O>B>A>AB |
| Assam[10] | 2016 | 334 | 21.6 | 29.3 | 4.8 | 44.3 | 98.5 | 1.5 | O>B>A>AB |
| Shrinagar, Uttarakhand[10] | 2018 | 9883 | 30.39 | 31.68 | 11.7 | 26.24 | 93.51 | 6.49 | B>A>O>AB |
| India(include 5 regiona) [7] | 2014 | 10,000 | 22.88 | 32.26 | 7.74 | 37.12 | 94.61 | 5.39. | O>B>A>AB |
| South India (Chennai)[7] | 2014 | 1808 | 20.68 | 33.07 | 6.25 | 38.99 | 93.91 | 6.08 | O>B>A>AB |
| East India (Kolkata) [7] | 2014 | 1595 | 21.88 | 33.85 | 6.7 | 37.55 | 95.23 | 4.76 | O>B>A>AB |
| West India (Mumbai)[7] | 2014 | 2220 | 23.69 | 32.74 | 6.8 | 36.75 | 92.97 | 7.02 | O>B>A>AB |
| Central India (Nagpur)[7] | 2014 | 2021 | 23.1 | 26.57 | 7.07 | 43.24 | 96.23 | 3.72 | O>B>A>AB |