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 | 202965 | 4.74 |
| 🇺🇸 Unol Daleithiau | 161061 | 8.68 |
| 🇨🇦 Canada | 42857 | 8.30 |
| 🇴🇲 Oman | 15492 | 3.95 |
| 🇬🇧 Y Deyrnas Unedig | 14922 | 8.65 |
| 🇦🇺 Awstralia | 14837 | 9.51 |
| 🇧🇬 Bwlgaria | 12979 | 7.76 |
| 🇳🇱 Yr Iseldiroedd | 12034 | 11.28 |
| 🇷🇴 Rwmania | 10386 | 7.04 |
| 🇰🇼 Kuwait | 8579 | 5.00 |
| 🇦🇪 Emiradau Arabaidd Unedig | 7828 | 4.68 |
| 🇩🇪 Yr Almaen | 7362 | 8.77 |
| 🇮🇶 Irac | 6337 | 5.87 |
| 🇵🇱 Gwlad Pwyl | 5284 | 10.82 |
| 🇮🇳 India | 5052 | 2.80 |
| 🇲🇾 Malaysia | 4489 | 3.49 |
| 🇵🇭 Philippines | 4411 | 4.66 |
| 🇭🇺 Hwngari | 3816 | 8.81 |
| 🇶🇦 Qatar | 3132 | 4.11 |
| 🇪🇪 Estonia | 2922 | 9.12 |
| 🇷🇸 Serbia | 2901 | 7.69 |
| 🇭🇷 Croatia | 2858 | 6.80 |
| 🇸🇪 Sweden | 2851 | 8.94 |
| 🇧🇭 Bahrain | 2828 | 5.04 |
| 🇪🇬 Yr Aifft | 2626 | 7.18 |
| 🇫🇮 Y Ffindir | 2403 | 13.41 |
| 🇲🇽 Mecsico | 2198 | 6.29 |
| 🇷🇺 Rwsia | 2047 | 10.89 |
| 🇸🇮 Slofenia | 1977 | 7.50 |
| 🇨🇿 Gweriniaeth Tsiec | 1880 | 8.88 |
| 🇧🇪 Gwlad Belg | 1830 | 10.60 |
| 🇮🇹 Yr Eidal | 1803 | 7.86 |
| 🇹🇭 Gwlad Thai | 1778 | 8.75 |
| 🇹🇷 Twrci | 1731 | 10.47 |
| 🇮🇷 Iran | 1696 | 12.32 |
| 🇯🇴 Gwlad yr Iorddonen | 1664 | 6.38 |
| 🇸🇬 Singapore | 1631 | 4.07 |
| 🇫🇷 Ffrainc | 1485 | 9.55 |
| 🇩🇰 Denmarc | 1467 | 9.50 |
| 🇬🇷 Gwlad Groeg | 1364 | 5.84 |
| 🇱🇾 Libya | 1315 | 6.47 |
| 🇾🇪 Yemen | 1284 | 6.42 |
| 🇳🇴 Norwy | 1259 | 10.23 |
| 🇧🇦 Bosnia a Herzegovina | 1223 | 9.58 |
| 🇮🇱 Israel | 1197 | 5.51 |
| 🇻🇳 Fietnam | 1150 | 6.92 |
| 🇸🇰 Slofacia | 1109 | 7.75 |
| 🇱🇹 Lithwania | 1092 | 7.99 |
| 🇨🇭 Swistir | 1086 | 8.11 |
| 🇧🇷 Brasil | 1061 | 10.53 |
| 🇹🇼 Taiwan | 1023 | 5.00 |
| 🇩🇿 Algeria | 961 | 8.91 |
| 🇺🇦 Wcráin | 879 | 11.13 |
| 🇵🇰 Pacistan | 810 | 7.21 |
| 🇪🇸 Sbaen | 781 | 7.88 |
| 🇦🇹 Awstria | 716 | 7.99 |
| 🇲🇦 Moroco | 615 | 7.91 |
| 🇳🇬 Nigeria | 602 | 4.86 |
| 🇱🇧 Libanus | 593 | 6.93 |
| 🇲🇲 Myanmar | 580 | 9.78 |
| 🇳🇿 Seland Newydd | 557 | 10.04 |
| 🇮🇩 Indonesia | 533 | 9.30 |
| 🇬🇪 Georgia | 492 | 9.56 |
| 🇮🇪 Iwerddon | 477 | 9.02 |
| 🇧🇩 Bangladesh | 470 | 11.82 |
| 🇱🇰 Sri Lanka | 466 | 6.42 |
| 🇹🇳 Tiwnisia | 455 | 8.01 |
| 🇱🇻 Latfia | 452 | 9.23 |
| 🇵🇹 Portiwgal | 448 | 10.30 |
| 🇸🇩 Sudan | 441 | 7.65 |
| 🇿🇦 De Affrica | 440 | 6.54 |
| 🇭🇰 Hong Kong | 400 | 9.18 |
| 🇮🇸 Gwlad yr Iâ | 371 | 10.22 |
| 🇯🇵 Japan | 371 | 7.02 |
| 🇦🇱 Albania | 339 | 6.56 |
| 🇰🇭 Cambodia | 306 | 9.12 |
| 🇲🇰 Gogledd Macedonia | 306 | 8.47 |
| 🇰🇷 De Corea | 304 | 7.30 |
| 🇵🇸 Palestina | 281 | 7.12 |
| 🇨🇳 China | 264 | 12.82 |
| 🇵🇷 Puerto Rico | 256 | 7.21 |
| 🇦🇷 Yr Ariannin | 254 | 9.85 |
| 🇧🇳 Brunei | 213 | 4.72 |
| 🇨🇴 Colombia | 193 | 8.19 |
| 🇨🇱 Chile | 191 | 11.22 |
| 🇩🇴 Dominicana | 183 | 8.34 |
| 🇲🇪 Montenegro | 163 | 6.52 |
| 🇬🇭 Ghana | 154 | 8.56 |
| 🇱🇺 Lwcsembwrg | 154 | 8.13 |
| 🇹🇹 Trinidad a Tobago | 153 | 5.30 |
| 🇰🇪 Kenya | 150 | 5.61 |
| 🇧🇾 Belarus | 149 | 12.26 |
| 🇦🇿 Azerbaijan | 147 | 10.34 |
| 🇲🇺 Mauritius | 125 | 6.52 |
| 🇸🇾 Syria | 125 | 7.10 |
| 🇲🇳 Mongolia | 124 | 10.43 |
| 🇵🇪 Periw | 121 | 8.17 |
| 🇲🇩 Moldofa | 118 | 8.00 |
| 🇨🇾 Cyprus | 113 | 4.13 |
| 🇹🇿 Tanzania | 112 | 5.48 |
| 🇲🇹 Malta | 109 | 7.41 |
| 🇳🇵 Nepal | 103 | 14.80 |
| 🇦🇴 Angola | 101 | 5.43 |
| 🇰🇿 Kazakhstan | 100 | 9.84 |
| 🇨🇷 Costa Rica | 93 | 8.20 |
| 🇭🇳 Honduras | 91 | 8.78 |
| 🇬🇹 Guatemala | 90 | 9.58 |
| 🇲🇷 Mauritania | 87 | 10.45 |
| 🇵🇦 Panama | 84 | 7.18 |
| 🇻🇪 Venezuela | 80 | 9.25 |
| 🇪🇨 Ecwador | 72 | 9.46 |
| 🇸🇻 El Salvador | 69 | 9.95 |
| 🇸🇴 Somalia | 62 | 9.25 |
| 🇯🇲 Jamaica | 61 | 6.73 |
| 🇦🇫 Affghanistan | 59 | 9.06 |
| 🇺🇿 Uzbekistan | 56 | 12.63 |
| 🇦🇲 Armenia | 55 | 13.07 |
| 🇵🇾 Paraguay | 52 | 9.07 |
| 🇪🇹 Ethiopia | 51 | 14.18 |
| 🇳🇮 Nicaragua | 46 | 10.44 |
| 🇧🇿 Belize | 45 | 5.65 |
| 🇬🇺 Guam | 45 | 8.68 |
| 🇺🇬 Uganda | 40 | 4.43 |
| 🇨🇼 Curaçao | 35 | 6.50 |
| 🇬🇾 Guyana | 33 | 9.71 |
| 🇳🇦 Namibia | 29 | 5.65 |
| 🇲🇴 Macau | 27 | 6.92 |
| 🇺🇾 Uruguay | 25 | 15.44 |
| 🇱🇦 Laos | 21 | 18.27 |
| 🇲🇿 Mozambique | 20 | 7.98 |
| 🇧🇧 Barbados | 19 | 5.29 |
| 🇸🇳 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 | 13 | 12.83 |
| 🇹🇲 Turkmenistan | 10 | 13.73 |
| 🇧🇹 Bhutan | 9 | 6.71 |
| 🇰🇬 Kyrgyzstan | 9 | 12.98 |
| 🇧🇸 Bahamas | 8 | 9.37 |
| 🇯🇪 Ynys Jersey | 8 | 3.59 |
| 🇲🇱 Mali | 8 | 3.28 |
| 🇲🇼 Malawi | 8 | 6.60 |
| 🇦🇬 Antigua a Barbuda | 7 | 10.29 |
| 🇭🇹 Haiti | 7 | 16.36 |
| 🇳🇪 Niger | 7 | 6.20 |
| 🇷🇼 Rwanda | 7 | 11.58 |
| 🇻🇬 Ynysoedd Virgin (DU) | 7 | 5.20 |
| 🇬🇲 Gambia | 6 | 11.24 |
| 🇱🇨 Saint Lucia | 6 | 6.35 |
| 🇲🇨 Monaco | 6 | 7.11 |
| 🇲🇻 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 |
| 🇫🇴 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 |
| 🇲🇵 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 |