Best Third Passport for multi-citizens of the United States, Iceland

Total ScoreNameEase of travelCountriesTerritoryPopulationHDIDual Citizenship
1067the United Kingdom+25.52%+12+9%+54%0.909Yes
1047Mauritius+8.4%+8+39%+53%0.781No
1033Jamaica+8.51%+5+25%+8%0.73Yes
1007Seychelles+9.16%+8+42%+54%0.782No
984the United Arab Emirates+11.56%+14+47%+55%0.84No
971Hong Kong+5.89%+5+29%+9%0.917No
942South Korea+2.51%+4+29%+50%0.901Yes
941Botswana+6.76%+6+26%+9%0.698No
938Qatar+7.31%+7+41%+52%0.856No
935Fiji+5.23%+5+38%+51%0.736No
931South Africa+5.89%+5+25%+7%0.666Yes
925Namibia+5.13%+5+25%+7%0.64Yes
910Belize+6.65%+3+25%+7%0.706Yes
901Samoa+4.69%+3+25%+6%0.704Yes
891Japan+2.62%+4+18%+89%0.903No
879Singapore+10.03%+10+16%+54%0.925No
874Chile+1.74%+2+24%+7%0.847Yes
874Ghana+10.25%+8+5%+5%0.579Yes
860Armenia+2.51%+3+40%+51%0.743Yes
859Tonga+4.58%+4+14%+47%0.721Yes
857Brunei+5.67%+6+39%+55%0.865No
853Serbia+2.29%+2+37%+48%0.776Yes
847Andorra+1.85%+2+24%+5%0.858No
826Mongolia+2.29%+2+37%+48%0.735No
804Mauritania+7.42%+9+9%+5%0.513No
803the Maldives+4.91%+4+29%+48%0.701Yes
784Israel+2.07%+3+24%+5%0.899Yes
780Malaysia+7.63%+9+11%+12%0.789No
777Guyana+4.58%+2+24%+5%0.638No
769Belarus+3.27%+4+38%+52%0.796No
767Tunisia+6.76%+8+10%+5%0.725Yes
766Russia+4.91%+5+24%+9%0.804Yes
763Kenya+7.2%+8+6%+9%0.555Yes
760Costa Rica+1.2%+1+24%+4%0.776Yes
760Grenada+7.63%+4+38%+51%0.754Yes
752Ecuador+1.85%+2+37%+48%0.739Yes
750Trinidad and Tobago+6.76%+3+1%+2%0.78Yes
745Burkina Faso+8.51%+8+6%+3%0.402Yes
742Panama+1.85%+2+24%+7%0.788Yes
734Sierra Leone+9.38%+8+5%+5%0.42Yes
733Denmark+1.74%+1+0%+2%0.925No
733Barbados+8.51%+5+15%+48%0.795Yes
732Kyrgyzstan+2.62%+3+24%+7%0.664No
731Thailand+4.14%+5+24%+9%0.74No
730Senegal+8.51%+8+6%+3%0.494Yes
728Cyprus+3.71%+2+1%+2%0.856Yes
717Mali+9.81%+10+11%+7%0.442Yes
715Norway+1.31%+1+0%+2%0.949No
714Uruguay+1.09%+1+24%+4%0.795Yes
712Dominica+6.11%+3+38%+50%0.726Yes
711Bolivia+2.62%+3+26%+7%0.674No
709Argentina+1.2%+1+24%+4%0.827Yes
704Niger+8.51%+8+6%+3%0.353Yes
704Algeria+5.56%+8+7%+5%0.745No
698Tanzania+7.74%+7+2%+4%0.531No
694Benin+8.07%+8+6%+3%0.485Yes
693Kuwait+6.65%+5+3%+3%0.8No
693Finland+1.74%+1+0%+2%0.895Yes
691Germany+1.74%+1+0%+2%0.926No
690Sweden+1.74%+1+0%+2%0.913Yes
688Saint Vincent and the Grenadines+7.31%+4+25%+8%0.722Yes
682Bhutan+2.62%+2+4%+42%0.607No
679Moldova+1.74%+2+24%+5%0.699Yes
678Ivory Coast+8.94%+8+6%+3%0.474Yes
676Oman+6.65%+5+3%+4%0.796No
668Venezuela+1.85%+2+26%+7%0.767No
668Togo+8.07%+8+6%+3%0.487Yes
666Bosnia and Herzegovina+2.62%+3+37%+49%0.75N/A
663Suriname+4.14%+2+37%+48%0.725No
663the Bahamas+5.02%+4+14%+47%0.792No
661Saint Kitts and Nevis+6.87%+2+25%+6%0.765Yes
659Brazil+3.16%+1+24%+4%0.754Yes
656Antigua and Barbuda+5.89%+2+24%+6%0.786Yes
649Ukraine+1.96%+2+24%+5%0.743No
648Azerbaijan+2.51%+3+26%+7%0.759No
648El Salvador+1.31%+1+24%+4%0.68Yes
646Nigeria+8.4%+8+7%+4%0.527Yes
643the Dominican Republic+1.2%+1+24%+4%0.722Yes
640Macau+5.23%+5+41%+52%0.0No
639Taiwan+0.98%+2+13%+44%0.0No
639France+1.74%+1+0%+2%0.897Yes
638the Gambia+10.25%+8+5%+5%0.452Yes
632Spain+1.74%+1+0%+2%0.884Yes
627Cape Verde+8.18%+7+28%+7%0.0Yes
626Lesotho+5.45%+4+1%+4%0.497Yes
620Laos+4.25%+4+24%+9%0.586No
619Nepal+2.07%+2+4%+42%0.558No
619Montenegro+1.64%+1+24%+4%0.807No
616Morocco+6.0%+7+7%+3%0.647Yes
615Peru+1.2%+1+24%+4%0.74Yes
612Rwanda+7.63%+10+6%+6%0.498Yes
609Malawi+5.45%+4+1%+4%0.476No
608Indonesia+4.36%+4+2%+5%0.689No
606Malta+3.05%+1+0%+1%0.856Yes
602Guinea+8.18%+6+4%+3%0.414No
602Liberia+7.2%+6+4%+3%0.427No
597Uganda+6.76%+6+2%+4%0.493Yes
595Italy+1.74%+1+0%+2%0.887Yes
592Liechtenstein+1.42%+1+0%+0%0.912No
588Vanuatu+4.14%+4+25%+7%0.597Yes
585Switzerland+1.09%+0+0%+0%0.939Yes
584Georgia (country)+1.85%+2+2%+2%0.769N/A
581Paraguay+1.42%+2+24%+5%0.693Yes
579Kazakhstan+1.85%+2+24%+5%0.794No
576Nicaragua+1.31%+1+24%+4%0.645No
573Cameroon+5.23%+7+5%+4%0.518No
572Luxembourg+1.53%+0+0%+0%0.898Yes
571Zambia+5.89%+4+1%+4%0.579Yes
570Chad+6.11%+7+6%+3%0.396N/A
568Austria+1.09%+0+0%+0%0.893No
567Lebanon+2.62%+2+2%+3%0.763Yes
567China+1.96%+3+16%+47%0.738No
565Guatemala+1.53%+2+24%+5%0.64Yes
563India+2.4%+2+4%+42%0.624No
559Australia+0.44%+0+0%+0%0.939Yes
557Gabon+4.36%+5+2%+2%0.697Yes
556Honduras+2.07%+2+24%+5%0.625No
555the Czech Republic+1.09%+0+0%+0%0.878No
554Papua New Guinea+3.05%+3+1%+1%0.516No
552Turkey+2.73%+4+7%+4%0.767Yes
551the Philippines+4.25%+3+0%+5%0.682Yes
546Madagascar+3.49%+3+0%+2%0.512No
543Egypt+3.82%+5+3%+5%0.691Yes
543the Netherlands+1.09%+0+0%+0%0.924No
538Colombia+1.2%+1+24%+4%0.727Yes
537Tajikistan+1.96%+2+24%+5%0.627N/A
536Estonia+1.09%+0+0%+0%0.865No
530Zimbabwe+6.54%+5+1%+4%0.516No
528Uzbekistan+1.96%+2+24%+5%0.701No
524Belgium+1.09%+0+0%+0%0.896Yes
522Latvia+1.09%+0+0%+0%0.83Yes
518Nauru+3.93%+3+25%+6%0.0No
513Cambodia+3.6%+3+0%+5%0.563Yes
508Ethiopia+3.05%+5+3%+6%0.448No
507the Republic of Macedonia+1.31%+2+24%+5%0.748No
500Saudi Arabia+5.78%+4+1%+1%0.847No
500Canada+0.33%+0+0%+0%0.92Yes
500New Zealand+0.33%+0+0%+0%0.915Yes
500Portugal+1.09%+0+0%+0%0.843Yes
495the Republic of Ireland+0.65%+0+0%+0%0.923Yes
495Bahrain+5.78%+4+1%+1%0.824No
494the United States+0.0%+0+0%+0%0.92Yes
492Iceland+0.0%+0+0%+0%0.921Yes
488the Central African Republic+4.8%+5+2%+2%0.352Yes
488Palau+1.31%+2+24%+4%0.788No
487Jordan+3.49%+3+3%+1%0.741N/A
482Slovakia+1.09%+0+0%+0%0.845No
477Vietnam+3.71%+4+0%+5%0.683No
474Swaziland+5.45%+4+1%+4%0.541No
474South Sudan+4.36%+5+2%+4%0.418N/A
469Romania+1.96%+0+0%+0%0.802Yes
468San Marino+2.51%+3+14%+46%0.0No
465Libya+3.27%+4+6%+2%0.716No
455Cuba+1.09%+1+24%+4%0.775No
449Poland+1.09%+0+0%+0%0.855Yes
448Slovenia+1.09%+0+0%+0%0.89Yes
443Angola+4.36%+3+0%+2%0.533Yes
442Burundi+4.58%+6+2%+4%0.404Yes
437Guinea-Bissau+7.63%+6+4%+3%0.0No
434Lithuania+1.09%+0+0%+0%0.848No
421Djibouti+3.6%+5+2%+4%0.473Yes
418Greece+1.09%+0+0%+0%0.866Yes
414Mozambique+3.71%+2+0%+1%0.418Yes
413the Republic of the Congo+5.13%+6+2%+2%0.592No
411Equatorial Guinea+3.93%+5+2%+2%0.592No
406Croatia+1.09%+0+0%+0%0.827Yes
401Sudan+3.49%+5+3%+3%0.49Yes
385Albania+0.55%+0+0%+0%0.764Yes
382Iran+1.74%+1+2%+2%0.774No
377Hungary+1.09%+0+0%+0%0.836Yes
372Saint Lucia+5.34%+1+0%+1%0.735N/A
368Syria+2.18%+3+3%+4%0.536Yes
364Eritrea+3.05%+5+1%+4%0.42No
352Yemen+2.62%+3+3%+2%0.482No
342Myanmar+2.94%+2+0%+4%0.556No
341the Solomon Islands+3.93%+3+1%+2%0.515No
327the Democratic Republic of the Congo+3.49%+3+0%+1%0.435N/A
323Iraq+1.74%+1+2%+2%0.649No
317Afghanistan+1.31%+1+0%+0%0.479No
311Bulgaria+1.09%+0+0%+0%0.794No
308the Comoros+3.05%+3+0%+2%0.497N/A
289Sri Lanka+0.65%+1+0%+0%0.766Yes
271Kiribati+2.94%+1+0%+1%0.588No
263Bangladesh+1.64%+1+0%+0%0.579Yes
262São Tomé and Príncipe+1.96%+2+0%+1%0.574Yes
251Tuvalu+3.27%+2+0%+1%0.0Yes
238Somalia+1.96%+2+0%+1%0.0N/A
238Mexico+0.44%+0+0%+0%0.762Yes
234Palestine+1.09%+0+0%+0%0.684N/A
226Turkmenistan+1.31%+1+0%+0%0.691No
205East Timor+0.65%+0+0%+0%0.0N/A
184Haiti+1.85%+1+0%+0%0.493No
158Pakistan+0.33%+0+0%+0%0.55No
154Micronesia+0.87%+1+0%+0%0.638No
146North Korea+1.31%+1+0%+0%0.0No
144Vatican City+1.31%+1+0%+0%0.0Yes
125the Marshall Islands+1.09%+1+0%+0%0.0N/A