Oedran ystadegol ystadegol y teiars yn dibynnu ar y wlad. Mae'r ystadegau hyn yn seiliedig ar ddata a gyflwynwyd gan ddefnyddwyr gwefan CheckTire.com.
| Gwlad | nifer y defnyddiau | Oedran cyfartalog y teiars |
|---|---|---|
| 🇸🇦 Saudi Arabia | 196079 | 4.77 |
| 🇺🇸 Unol Daleithiau | 156689 | 8.68 |
| 🇨🇦 Canada | 41277 | 8.31 |
| 🇴🇲 Oman | 15197 | 3.97 |
| 🇦🇺 Awstralia | 14740 | 9.52 |
| 🇬🇧 Y Deyrnas Unedig | 14449 | 8.60 |
| 🇧🇬 Bwlgaria | 12410 | 7.74 |
| 🇳🇱 Yr Iseldiroedd | 11758 | 11.27 |
| 🇷🇴 Rwmania | 9962 | 7.06 |
| 🇰🇼 Kuwait | 8362 | 5.04 |
| 🇦🇪 Emiradau Arabaidd Unedig | 7639 | 4.66 |
| 🇩🇪 Yr Almaen | 7052 | 8.66 |
| 🇮🇶 Irac | 6228 | 5.80 |
| 🇵🇱 Gwlad Pwyl | 5043 | 10.85 |
| 🇮🇳 India | 4819 | 2.78 |
| 🇲🇾 Malaysia | 4336 | 3.43 |
| 🇵🇭 Philippines | 4278 | 4.63 |
| 🇭🇺 Hwngari | 3701 | 8.86 |
| 🇶🇦 Qatar | 2957 | 4.20 |
| 🇪🇪 Estonia | 2805 | 9.14 |
| 🇷🇸 Serbia | 2781 | 7.66 |
| 🇧🇭 Bahrain | 2770 | 4.97 |
| 🇸🇪 Sweden | 2763 | 8.85 |
| 🇭🇷 Croatia | 2735 | 6.70 |
| 🇪🇬 Yr Aifft | 2556 | 7.03 |
| 🇫🇮 Y Ffindir | 2300 | 13.25 |
| 🇲🇽 Mecsico | 2033 | 6.30 |
| 🇸🇮 Slofenia | 1915 | 7.47 |
| 🇨🇿 Gweriniaeth Tsiec | 1810 | 8.76 |
| 🇷🇺 Rwsia | 1803 | 10.89 |
| 🇧🇪 Gwlad Belg | 1768 | 10.49 |
| 🇮🇹 Yr Eidal | 1733 | 7.76 |
| 🇹🇷 Twrci | 1676 | 10.51 |
| 🇹🇭 Gwlad Thai | 1646 | 8.78 |
| 🇯🇴 Gwlad yr Iorddonen | 1642 | 6.27 |
| 🇸🇬 Singapore | 1570 | 4.08 |
| 🇮🇷 Iran | 1560 | 12.06 |
| 🇩🇰 Denmarc | 1417 | 9.50 |
| 🇫🇷 Ffrainc | 1400 | 9.48 |
| 🇬🇷 Gwlad Groeg | 1300 | 5.80 |
| 🇱🇾 Libya | 1290 | 6.46 |
| 🇾🇪 Yemen | 1240 | 6.41 |
| 🇳🇴 Norwy | 1219 | 10.19 |
| 🇧🇦 Bosnia a Herzegovina | 1177 | 9.54 |
| 🇮🇱 Israel | 1154 | 5.45 |
| 🇻🇳 Fietnam | 1080 | 7.05 |
| 🇸🇰 Slofacia | 1073 | 7.75 |
| 🇱🇹 Lithwania | 1042 | 7.89 |
| 🇨🇭 Swistir | 1022 | 8.11 |
| 🇹🇼 Taiwan | 982 | 4.95 |
| 🇧🇷 Brasil | 975 | 10.92 |
| 🇩🇿 Algeria | 904 | 8.61 |
| 🇺🇦 Wcráin | 847 | 11.14 |
| 🇵🇰 Pacistan | 778 | 7.07 |
| 🇪🇸 Sbaen | 709 | 8.01 |
| 🇦🇹 Awstria | 702 | 7.86 |
| 🇳🇬 Nigeria | 588 | 4.74 |
| 🇱🇧 Libanus | 586 | 6.88 |
| 🇲🇦 Moroco | 582 | 7.74 |
| 🇳🇿 Seland Newydd | 523 | 9.95 |
| 🇮🇩 Indonesia | 510 | 9.42 |
| 🇲🇲 Myanmar | 490 | 9.49 |
| 🇬🇪 Georgia | 463 | 9.51 |
| 🇱🇰 Sri Lanka | 460 | 6.34 |
| 🇮🇪 Iwerddon | 450 | 9.10 |
| 🇹🇳 Tiwnisia | 442 | 7.75 |
| 🇧🇩 Bangladesh | 431 | 11.48 |
| 🇱🇻 Latfia | 428 | 9.42 |
| 🇵🇹 Portiwgal | 426 | 10.43 |
| 🇸🇩 Sudan | 425 | 7.45 |
| 🇿🇦 De Affrica | 422 | 6.22 |
| 🇭🇰 Hong Kong | 378 | 9.11 |
| 🇮🇸 Gwlad yr Iâ | 360 | 10.05 |
| 🇯🇵 Japan | 351 | 6.99 |
| 🇦🇱 Albania | 317 | 6.45 |
| 🇰🇭 Cambodia | 297 | 9.08 |
| 🇰🇷 De Corea | 293 | 7.37 |
| 🇲🇰 Gogledd Macedonia | 292 | 8.32 |
| 🇵🇸 Palestina | 267 | 6.99 |
| 🇨🇳 China | 248 | 12.82 |
| 🇵🇷 Puerto Rico | 247 | 7.21 |
| 🇦🇷 Yr Ariannin | 239 | 9.91 |
| 🇧🇳 Brunei | 201 | 4.86 |
| 🇨🇱 Chile | 185 | 11.12 |
| 🇨🇴 Colombia | 181 | 8.32 |
| 🇩🇴 Dominicana | 177 | 8.23 |
| 🇲🇪 Montenegro | 159 | 6.63 |
| 🇬🇭 Ghana | 152 | 8.45 |
| 🇹🇹 Trinidad a Tobago | 152 | 5.14 |
| 🇰🇪 Kenya | 147 | 5.52 |
| 🇱🇺 Lwcsembwrg | 147 | 8.07 |
| 🇧🇾 Belarus | 139 | 12.73 |
| 🇦🇿 Azerbaijan | 132 | 10.05 |
| 🇸🇾 Syria | 122 | 7.09 |
| 🇲🇳 Mongolia | 118 | 9.87 |
| 🇵🇪 Periw | 114 | 7.57 |
| 🇨🇾 Cyprus | 111 | 4.15 |
| 🇲🇩 Moldofa | 110 | 7.77 |
| 🇹🇿 Tanzania | 110 | 5.41 |
| 🇲🇹 Malta | 106 | 7.49 |
| 🇲🇺 Mauritius | 104 | 5.75 |
| 🇦🇴 Angola | 100 | 5.47 |
| 🇨🇷 Costa Rica | 90 | 8.22 |
| 🇬🇹 Guatemala | 86 | 9.37 |
| 🇰🇿 Kazakhstan | 85 | 10.43 |
| 🇭🇳 Honduras | 84 | 9.18 |
| 🇲🇷 Mauritania | 84 | 10.15 |
| 🇳🇵 Nepal | 80 | 16.83 |
| 🇻🇪 Venezuela | 77 | 9.51 |
| 🇵🇦 Panama | 76 | 7.00 |
| 🇸🇻 El Salvador | 65 | 10.05 |
| 🇪🇨 Ecwador | 63 | 9.75 |
| 🇯🇲 Jamaica | 60 | 6.71 |
| 🇦🇫 Affghanistan | 59 | 9.06 |
| 🇸🇴 Somalia | 56 | 9.13 |
| 🇦🇲 Armenia | 55 | 13.07 |
| 🇺🇿 Uzbekistan | 52 | 12.60 |
| 🇵🇾 Paraguay | 50 | 9.25 |
| 🇪🇹 Ethiopia | 46 | 14.73 |
| 🇬🇺 Guam | 45 | 8.68 |
| 🇧🇿 Belize | 44 | 5.72 |
| 🇳🇮 Nicaragua | 44 | 10.33 |
| 🇨🇼 Curaçao | 35 | 6.50 |
| 🇬🇾 Guyana | 32 | 10.00 |
| 🇺🇬 Uganda | 31 | 4.37 |
| 🇲🇴 Macau | 27 | 6.92 |
| 🇳🇦 Namibia | 27 | 5.50 |
| 🇺🇾 Uruguay | 24 | 16.01 |
| 🇱🇦 Laos | 20 | 18.13 |
| 🇧🇧 Barbados | 19 | 5.29 |
| 🇲🇿 Mozambique | 18 | 8.10 |
| 🇸🇳 Senegal | 18 | 10.10 |
| 🇸🇷 Swrinam | 18 | 7.60 |
| 🇿🇲 Zambia | 17 | 4.93 |
| 🇧🇼 Botswana | 15 | 11.08 |
| 🇩🇯 Djibouti | 15 | 3.18 |
| 🇮🇲 Ynys Manaw | 15 | 12.43 |
| 🇧🇴 Bolifia | 12 | 12.72 |
| 🇧🇹 Bhutan | 9 | 6.71 |
| 🇧🇸 Bahamas | 8 | 9.37 |
| 🇯🇪 Ynys Jersey | 8 | 3.59 |
| 🇰🇬 Kyrgyzstan | 8 | 12.46 |
| 🇲🇱 Mali | 8 | 3.28 |
| 🇲🇼 Malawi | 8 | 6.60 |
| 🇹🇲 Turkmenistan | 8 | 13.88 |
| 🇦🇬 Antigua a Barbuda | 7 | 10.29 |
| 🇳🇪 Niger | 7 | 6.20 |
| 🇻🇬 Ynysoedd Virgin (DU) | 7 | 5.20 |
| 🇬🇲 Gambia | 6 | 11.24 |
| 🇱🇨 Saint Lucia | 6 | 6.35 |
| 🇲🇻 Maldives | 6 | 13.53 |
| 🇦🇽 Ynysoedd Åland | 5 | 9.92 |
| 🇱🇷 Liberia | 5 | 9.17 |
| 🇹🇯 Tajikistan | 5 | 7.38 |
| 🇽🇰 Kosovo | 5 | 1.99 |
| 🇦🇼 Aruba | 4 | 3.90 |
| 🇩🇲 Dominica | 4 | 16.48 |
| 🇪🇺 Yr Undeb Ewropeaidd | 4 | 14.84 |
| 🇭🇹 Haiti | 4 | 16.74 |
| 🇷🇼 Rwanda | 4 | 7.72 |
| 🇫🇴 Ynysoedd Ffaro | 3 | 19.36 |
| 🇬🇮 Gibraltar | 3 | 5.70 |
| 🇬🇳 Gini | 3 | 14.75 |
| 🇲🇬 Madagascar | 3 | 8.42 |
| 🇸🇽 Sint Maarten | 3 | 5.69 |
| 🇿🇼 Zimbabwe | 3 | 17.30 |
| 🇧🇫 Burkina Faso | 2 | 21.29 |
| 🇧🇯 Benin | 2 | 7.42 |
| 🇫🇯 Ffiji | 2 | 1.68 |
| 🇬🇬 Guernsey | 2 | 14.11 |
| 🇰🇳 Saint Kitts a Nevis | 2 | 16.23 |
| 🇲🇨 Monaco | 2 | 4.33 |
| 🇲🇵 Ynysoedd Gogledd Mariana | 2 | 4.77 |
| 🇸🇨 Seychelles | 2 | 15.54 |
| 🇦🇸 Samoa Americanaidd | 1 | 1.33 |
| 🇰🇲 Comoros | 1 | 5.04 |
| 🇰🇾 Ynysoedd Cayman | 1 | 10.06 |
| 🇳🇨 Caledonia Newydd | 1 | 2.61 |
| 🇵🇬 Papwa Gini Newydd | 1 | 1.30 |
| 🇻🇨 Saint Vincent a'r Grenadines | 1 | 1.04 |