Table 3. Characteristics of studies prevalence of type 1 diabetes .
| Study | Country | Sample Size | Prevalence Per 100 000 |
| Akazawa193 | Japan | 40 | 10 |
| Akesen et al194 | Turkey | 26 | 67 |
| Al-Herbish et al195 | Saudi Arabia | 42 | 109.5 |
| Aschner et al13 | America | 2827 | 8000 |
| Bessaoud et al18 | Algeria | 10 | 27 |
| Dabelea et al45 | Navajo nation | 40 | 11 |
| 31 | 81 | ||
| 106 | 278 | ||
| Dabelea et al196 | USA | 57 | 148 |
| Ehehalt et al51 | Italy | 3761 | 11000 |
| Elamin et al197 | Sudan | 17 | 42.98 |
| El-Ziny et al53 | Egypt | 10 | 26.8 |
| Eriksson et al198 | Finland | 1009 | 2700 |
| Evans et al199 | Scotland | 6592 | 22000 |
| Frongia et al59 | Italy | 176 | 459 |
| Garancini et al200 | Italy | 31 | 80 |
| Gujral et al201 | UK | 29 | 75 |
| Jorge et al202 | Portugal | 49 | 128 |
| Kemper et al203 | USA | 70 | 183 |
| Mayer-Davis et al100 | USA | 218 | 570 |
| Moussa et al204 | Kuwait | 103 | 269.9 |
| Ostrauskas205 | Lithuania | 31 | 80.64 |
| Ostrauskas and Žalinkevičius206 | Lithuania | 27 | 70.23 |
| Peter et al116 | Bahamas | 12 | 31 |
| Pettitt et al207 | USA | 74 | 193 |
| Ramachandran et al208 | India | 10 | 26 |
| Rangasami et al127 | Scotland | 58 | 150 |
| Scott et al140 | New Zealand | 44 | 115 |
| López Siguero et al146 | Malaga | 297 | 780 |
| Soliman et al209 | Oman | 50 | 13.25 |
| Songini et al210 | Sardinia | 46 | 119 |
| Wong185 | China | 30 | 8.3 |
| Wu et al211 | New Zealand | 87 | 227 |