Rhestr gwledydd yn nhrefn eu dwysedd poblogaeth Cyfeiriadau | Llywio
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Rhestr gwledydd yn nhrefn eu dwysedd poblogaeth
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Dyma restr o wledydd yn nhrefn eu dwysedd poblogaeth. Dim ond gwladwriaethau sofranaidd a thiriogaethau dibynnol sydd wedi eu cynnwys, felly mae'r ystadegau am wledydd Prydain (e.e. Cymru) wedi eu cynnwys yn rhai'r Deyrnas Unedig gan nad yw'r Cenhedloedd Unedig, ffynhonnell y wybodaeth, yn casglu ystadegau ar wahân.
| Trefn | Gwlad neu Rhanbarth | Poblogaeth | Arwynebedd (km²) | Dwysedd (Pob. y km²) |
| — | Y Byd (ar dir yn unig) | 6,464,750,000 | 134,682,000 | 48 |
| 1 |  Monaco | 35,253 | 1.49 | 23,660 |
| 2 |  Macau | 460,162 | 26 | 17,699 |
| 3 |  Hong Cong | 7,040,885 | 1,099 | 6,407 |
| 4 |  Singapôr | 4,483,900 | 699.4 | 6,208 |
| 5 |  Gibraltar | 27,921 | 6 | 4,654 |
| 6 |  Dinas y Fatican | 783 | 0.44 | 1,780 |
| 7 |  Malta | 401,630 | 316 | 1,271 |
| 8 |  Bermiwda | 64,174 | 53 | 1,211 |
| 9 |  Maldives | 329,198 | 298 | 1,105 |
| 10 |  Bahrain | 726,617 | 694 | 1,047 |
| 11 |  Bangladesh | 141,822,300 | 143,998 | 985 |
| 12 |  Ynysoedd y Sianel (DU) | 149,463 | 195 | 766 |
| 13 |  Nawrw | 13,635 | 21 | 649 |
| 14 |  Gweriniaeth Tsieina (Taiwan) | 22,894,384 | 35,980 | 636 |
| 15 |  Barbados | 269,556 | 430 | 627 |
| 16 |  Tiriogaethau Palestein | 3,702,212 | 6,020 | 615 |
| 17 |  Mawrisiws | 1,244,663 | 2,040 | 610 |
| 18 |  Arwba (Yr Iseldiroedd) | 99,468 | 180 | 553 |
| – |  Mayotte (Ffrainc) | 180,610 | 374 | 483 |
| 19 |  De Corea | 48,846,823 | 99,538 | 480 |
| 20 |  San Marino | 28,117 | 61 | 461 |
| 21 |  Puerto Rico yr Unol Daleithiau (UDA) | 3,954,584 | 8,875 | 446 |
| 22 |  Twfalw | 10,441 | 26 | 402 |
| 23 |  Yr Iseldiroedd | 16,299,170 | 41,528 | 392 |
| 24 | Martinique (Ffrainc) | 395,932 | 1,102 | 359 |
| 25 |  Comoros | 797,902 | 2,235 | 357 |
| 26 |  Libanus | 3,576,818 | 10,400 | 344 |
| 27 |  Rwanda | 9,037,690 | 26,338 | 343 |
| 28 |  Ynysoedd Marshall | 61,963 | 181 | 342 |
| 29 |  Gwlad Belg | 10,419,050 | 30,528 | 341 |
| 30 |  Japan | 128,084,700 | 377,873 | 339 |
| 31 |  India | 1,103,371,000 | 3,287,263 | 336 |
| 32 |  El Salfador | 6,880,951 | 21,041 | 327 |
| 33 |  Samoa America (UDA) | 64,869 | 199 | 326 |
| 34 |  Ynysoedd Morwynol yr Unol Daleithiau (UDA) | 111,818 | 347 | 322 |
| 35 |  Sri Lanca | 20,742,910 | 65,610 | 316 |
| 36 | Réunion (France) | 785,139 | 2,510 | 313 |
| 37 |  Gwam (UDA) | 169,635 | 549 | 309 |
| 38 |  Haiti | 8,527,777 | 27,750 | 307 |
| 39 |  Sant Vincent a'r Grenadines | 119,051 | 388 | 307 |
| 40 |  Israel | 6,724,564 | 22,145 | 304 |
| 41 |  Sant Lwsia | 160,765 | 539 | 298 |
| 42 |  Y Philipinau | 83,054,480 | 300,000 | 277 |
| 43 |  Bwrwndi | 7,547,515 | 27,834 | 271 |
| 44 | Guadeloupe (Ffrainc) | 448,484 | 1,705 | 263 |
| 45 |  Grenada | 102,924 | 344 | 260 |
| 46 |  Trinidad a Tobago | 1,305,236 | 5,130 | 254 |
| 47 |  Fietnam | 84,238,230 | 331,689 | 254 |
| 48 | Y Deyrnas Unedig | 59,667,840 | 242,900 | 246 |
| 49 |  Jamaica | 2,650,713 | 10,991 | 241 |
| 50 |  Yr Almaen | 82,689,210 | 357,022 | 232 |
| 51 |  Antilles yr Iseldiroedd (Yr Iseldiroedd) | 182,656 | 800 | 228 |
| 52 |  Liechtenstein | 34,521 | 160 | 216 |
| 53 |  Pacistan | 157,935,100 | 796,095 | 198 |
| 54 |  Yr Eidal | 58,092,740 | 301,318 | 193 |
| 55 |  Gogledd Corea | 22,487,660 | 120,538 | 187 |
| 56 |  Nepal | 27,132,630 | 147,181 | 184 |
| 57 |  Antigwa a Barbiwda | 81,479 | 442 | 184 |
| 58 |  Gweriniaeth Dominica | 8,894,907 | 48,671 | 183 |
| 59 |  Lwcsembwrg | 464,904 | 2,586 | 180 |
| 60 |  Seychelles | 80,654 | 455 | 177 |
| 61 |  Y Swistir | 7,252,331 | 41,284 | 176 |
| 62 |  Ynysoedd Gogledd Mariana (UDA) | 80,801 | 464 | 174 |
| 63 |  Ynysoedd y Cayman (DU) | 45,017 | 264 | 171 |
| 64 |  Sant Kitts a Nefis | 42,696 | 261 | 164 |
| 65 |  São Tomé a Príncipe | 156,523 | 964 | 162 |
| 66 |  Taleithiau Ffederal Micronesia | 110,487 | 702 | 157 |
| 67 |  Coweit | 2,686,873 | 17,818 | 151 |
| 68 |  Ynysoedd y Wyryf (DU) | 22,016 | 151 | 146 |
| 69 |  Andorra | 67,151 | 468 | 143 |
| 70 |  Nigeria | 131,529,700 | 923,768 | 142 |
| 71 |  Tsieina | 1,315,844,000 | 9,596,961 | 137 |
| 72 |  Tonga | 102,311 | 747 | 137 |
| 73 |  Ciribati | 99,350 | 726 | 137 |
| 74 |  Y Gambia | 1,517,079 | 11,295 | 134 |
| 75 |  Anguilla (DU) | 12,205 | 91 | 134 |
| 76 |  Ynys Manaw (DU) | 76,538 | 572 | 134 |
| 77 |  Y Weriniaeth Tsiec | 10,219,600 | 78,866 | 130 |
| 78 |  Denmarc | 5,430,590 | 43,094 | 126 |
| 79 |  Penrhyn Verde | 506,807 | 4,033 | 126 |
| 80 |  Gwlad Tai | 64,232,760 | 513,115 | 125 |
| 81 |  Moldofa | 4,205,747 | 33,851 | 124 |
| 82 |  Gwlad Pwyl | 38,529,560 | 312,685 | 123 |
| 83 |  Wganda | 28,816,230 | 241,038 | 120 |
| 84 |  Indonesia | 222,781,500 | 1,904,569 | 117 |
| 85 |  Gwatemala | 12,599,060 | 108,889 | 116 |
| 86 |  Tocelaw (Seland Newydd) | 1,378 | 12 | 115 |
| 87 |  Portwgal | 10,494,500 | 91,982 | 114 |
| 88 |  Slofacia | 5,400,908 | 49,033 | 110 |
| 89 | Ffrainc | 60,495,540 | 551,500 | 110 |
| 90 |  Albania | 3,129,678 | 28,748 | 109 |
| 91 |  Malawi | 12,883,940 | 118,484 | 109 |
| 92 |  Hwngari | 10,097,730 | 93,032 | 109 |
| 93 |  Togo | 6,145,004 | 56,785 | 108 |
| 94 |  Serbia | 9,396,411 | 88,361 | 106 |
| 95 |  Dominica | 78,940 | 751 | 105 |
| 96 |  Syria | 19,043,380 | 185,180 | 103 |
| 97 |  Ciwba | 11,269,400 | 110,861 | 102 |
| 98 |  Armenia | 3,016,312 | 29,800 | 101 |
| 99 |  Awstria | 8,189,444 | 83,858 | 98 |
| 100 |  Aserbaijan | 8,410,801 | 86,600 | 97 |
| 101 |  Slofenia | 1,966,814 | 20,256 | 97 |
| 102 |  Twrci | 73,192,840 | 783,562 | 93 |
| 103 |  Ghana | 22,112,810 | 238,533 | 93 |
| 104 |  Rwmania | 21,711,470 | 238,391 | 91 |
| 105 |  Cyprus | 835,307 | 9,251 | 90 |
| 106 |  Sbaen | 43,064,190 | 505,992 | 85 |
| 107 |  Costa Rica | 4,327,228 | 51,100 | 85 |
| 108 |  Groeg | 11,119,890 | 131,957 | 84 |
| 109 |  Croatia | 4,551,338 | 56,538 | 81 |
| 110 |  Gweriniaeth Macedonia | 2,034,060 | 25,713 | 79 |
| 111 |  Cambodia | 14,071,010 | 181,035 | 78 |
| 112 | Wallis a Futuna (Ffrainc) | 15,480 | 200 | 77 |
| 113 |  Sierra Leone | 5,525,478 | 71,740 | 77 |
| 114 |  Wcráin | 46,480,700 | 603,700 | 77 |
| 115 |  Maleisia | 25,347,370 | 329,847 | 77 |
| 116 |  Bosnia a Hercegovina | 3,907,074 | 51,197 | 76 |
| 117 |  Ynysoedd Cook (Seland Newydd) | 17,954 | 236 | 76 |
| 118 |  Benin | 8,438,853 | 112,622 | 75 |
| 119 |  Myanmar | 50,519,490 | 676,578 | 75 |
| 120 |  Yr Aifft | 74,032,880 | 1,001,449 | 74 |
| 121 |  Qatar | 812,842 | 11,000 | 74 |
| 122 |  Moroco | 31,478,460 | 446,550 | 70 |
| 123 |  Ethiopia | 77,430,700 | 1,104,300 | 70 |
| 124 |  Bwlgaria | 7,725,965 | 110,912 | 70 |
| 125 |  Irac | 28,807,190 | 438,317 | 66 |
| 126 |  Samoa | 184,984 | 2,831 | 65 |
| 127 |  Brwnei | 373,819 | 5,765 | 65 |
| 128 |  Hondwras | 7,204,723 | 112,088 | 64 |
| 129 |  Georgia | 4,474,404 | 69,700 | 64 |
| 130 |  Polynesia Ffrengig (Ffrainc) | 256,603 | 4,000 | 64 |
| 131 |  Iorddonen | 5,702,776 | 89,342 | 64 |
| 132 |  Dwyrain Timor | 947,064 | 14,874 | 64 |
| 132 |  Ynysoedd Turks a Caicos (DU) | 26,288 | 417 | 63 |
| 134 |  Tiwnisia | 10,102,470 | 163,610 | 62 |
| 135 |  Gwlad Swazi | 1,032,438 | 17,364 | 59 |
| 136 |  Wsbecistan | 26,593,120 | 447,400 | 59 |
| 137 |  Senegal | 11,658,170 | 196,722 | 59 |
| 138 |  Lesotho | 1,794,769 | 30,355 | 59 |
| 139 |  Gweriniaeth Iwerddon | 4,147,901 | 70,273 | 59 |
| 140 |  Cenia | 34,255,720 | 580,367 | 59 |
| 141 |  Arfordir Ifori | 18,153,870 | 322,463 | 56 |
| 142 |  Mecsico | 107,029,400 | 1,958,201 | 55 |
| 143 |  Emiradau Arabaidd Unedig | 4,495,823 | 83,600 | 54 |
| 144 |  Lithwania | 3,431,033 | 65,300 | 53 |
| 145 |  Bwrcina Ffaso | 13,227,840 | 274,000 | 48 |
| 146 |  Belarws | 9,755,106 | 207,600 | 47 |
| 147 |  Ecwador Ecwador | 13,228,420 | 283,561 | 47 |
| 148 |  Ffiji | 847,706 | 18,274 | 46 |
| 149 |  Bhwtan | 2,162,546 | 47,000 | 46 |
| 150 |  Affganistan | 29,863,010 | 652,090 | 46 |
| 151 |  Tajicistan | 6,506,980 | 143,100 | 45 |
| 152 |  Montenegro | 630,548 | 14,026 | 45 |
| 153 |  Montserrat (DU) | 4,488 | 102 | 44 |
| 154 |  Guiné-Bissau | 1,586,344 | 36,125 | 44 |
| 155 |  Palaw | 19,949 | 459 | 43 |
| 156 |  Panama | 3,231,502 | 75,517 | 43 |
| 157 |  Nicaragwa | 5,486,685 | 130,000 | 42 |
| 158 |  Iran | 69,515,210 | 1,648,195 | 42 |
| 159 |  Tansanïa | 38,328,810 | 945,087 | 41 |
| 160 |  San Helena (DU) | 4,918 | 122 | 40 |
| 161 |  Colombia | 45,600,240 | 1,138,914 | 40 |
| 162 |  Iemen | 20,974,660 | 527,968 | 40 |
| 163 |  De Affrica | 47,431,830 | 1,221,037 | 39 |
| 164 |  Gini | 9,402,098 | 245,857 | 38 |
| 165 |  Eritrea | 4,401,357 | 117,600 | 37 |
| 166 |  Latfia | 2,306,988 | 64,600 | 36 |
| 167 |  Camerŵn | 16,321,860 | 475,442 | 34 |
| 168 |  Jibwti | 793,078 | 23,200 | 34 |
| 169 |  Ynysoedd Faroe (Denmark) | 47,017 | 1,399 | 34 |
| 170 |  Simbabwe | 13,009,530 | 390,757 | 33 |
| 171 |  Madagasgar | 18,605,920 | 587,041 | 32 |
| 172 |  Unol Daleithiau America | 298,212,900 | 9,629,091 | 31 |
| 173 |  Estonia | 1,329,697 | 45,100 | 29 |
| 174 |  Liberia | 3,283,267 | 111,369 | 29 |
| 175 |  Feneswela | 26,749,110 | 912,050 | 29 |
| 176 |  Cirgistan | 5,263,794 | 199,900 | 26 |
| 177 |  Laos | 5,924,145 | 236,800 | 25 |
| 178 |  Mosambic | 19,792,300 | 801,590 | 25 |
| 179 |  Gweriniaeth Ddemocrataidd y Congo | 57,548,740 | 2,344,858 | 25 |
| 180 | Ffrainc | 5,769 | 242 | 24 |
| 181 |  Y Bahamas | 323,063 | 13,878 | 23 |
| 182 |  Brasil | 186,404,900 | 8,514,877 | 22 |
| 183 |  Periw | 27,968,240 | 1,285,216 | 22 |
| 184 |  Tsile | 16,295,100 | 756,096 | 22 |
| 185 |  Sweden | 9,041,262 | 449,964 | 20.0 |
| 186 |  Wrwgwái | 3,463,197 | 175,016 | 19.8 |
| 187 |  Gini Gyhydeddol | 503,519 | 28,051 | 18.0 |
| 188 |  Fanwatw | 211,367 | 12,189 | 17.3 |
| 189 |  Ynysoedd Solomon | 477,742 | 28,896 | 16.5 |
| 190 |  Y Ffindir | 5,249,060 | 338,145 | 15.5 |
| 191 |  Sambia | 11,668,460 | 752,618 | 15.5 |
| 192 |  Paragwâi | 6,158,259 | 406,752 | 15.1 |
| 193 | Seland Newydd | 4,028,384 | 270,534 | 14.9 |
| 194 |  Swdan | 36,232,950 | 2,505,813 | 14.5 |
| 195 |  Yr Ariannin | 38,747,150 | 2,780,400 | 13.9 |
| 196 |  Algeria | 32,853,800 | 2,381,741 | 13.8 |
| 197 |  Ynysoedd Pitcairn (DU) | 67 | 5 | 13.4 |
| 198 |  Somalia | 8,227,826 | 637,657 | 12.9 |
| 199 |  Angola | 15,941,390 | 1,246,700 | 12.8 |
| 200 | Caledonia Newydd (Ffrainc) | 236,838 | 18,575 | 12.8 |
| 201 |  Papua Gini Newydd | 5,887,138 | 462,840 | 12.7 |
| 202 |  Norwy | 4,620,275 | 385,155 | 12.0 |
| 203 |  Belîs | 269,736 | 22,966 | 11.7 |
| 204 |  Gweriniaeth y Congo | 3,998,904 | 342,000 | 11.7 |
| 205 |  Sawdi Arabia | 24,573,100 | 2,149,690 | 11.4 |
| 206 |  Niger | 13,956,980 | 1,267,000 | 11.0 |
| 207 |  Mali | 13,518,420 | 1,240,192 | 10.9 |
| 208 |  Tyrcmenistan | 4,833,266 | 488,100 | 9.9 |
| 209 |  Rwsia | 143,201,600 | 17,098,242 | 8.4 |
| 210 |  Bolifia | 9,182,015 | 1,098,581 | 8.4 |
| 211 |  Oman | 2,566,981 | 309,500 | 8.3 |
| 212 |  Tsiad | 9,748,931 | 1,284,000 | 7.6 |
| 213 |  Gweriniaeth Canolbarth Affrica | 4,037,747 | 622,984 | 6.5 |
| 214 |  Niue (Seland Newydd) | 1,445 | 260 | 5.6 |
| 215 |  Casachstan | 14,825,110 | 2,724,900 | 5.4 |
| 216 |  Gabon | 1,383,841 | 267,668 | 5.2 |
| 217 |  Gaiana | 751,218 | 214,969 | 3.5 |
| 218 |  Libia | 5,853,452 | 1,759,540 | 3.3 |
| 219 |  Canada | 32,268,240 | 9,970,610 | 3.2 |
| 220 |  Botswana | 1,764,926 | 581,730 | 3.0 |
| 221 |  Mawritania | 3,068,742 | 1,025,520 | 3.0 |
| 222 |  Gwlad yr Iâ | 294,561 | 103,000 | 2.9 |
| 223 |  Swrinam | 449,238 | 163,820 | 2.7 |
| 224 |  Awstralia | 20,155,130 | 7,741,220 | 2.6 |
| 225 |  Namibia | 2,031,252 | 824,292 | 2.5 |
| 226 | Guiana Ffrengig (Ffrainc) | 187,056 | 90,000 | 2.1 |
| 227 |  Mongolia | 2,646,487 | 1,564,116 | 1.7 |
| 228 |  Sahara Gorllewinol | 341,421 | 266,000 | 1.3 |
| 229 |  Ynysoedd y Falkland (DU) | 3,060 | 12,173 | 0.25 |
| 230 |  Yr Ynys Las (Denmarc) | 56,916 | 2,175,600 | 0.026 |
Cyfeiriadau |
Categorïau:
- Daearyddiaeth ddynol
- Demograffeg
- Rhestrau gwledydd
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