The best passports to hold in 2021 are: 1. Japan (193 destinations)

https://www.passportindex.org/comparebyPassport.php?p1=jp

Henley & Partner’s list is one of several indexes created by financial firms to rank global passports according to the access they provide to their citizens.

The Henley Passport Index is based on data provided by the International Air Transport Authority (IATA) and covers 199 passports and 227 travel destinations. It is updated in real time throughout the year, as and when visa policy changes come into effect.

https://en.wikipedia.org/wiki/Visa_requirements_for_Japanese_citizens

Europe
Visitor to	Visa requirement	Notes (excluding departure fees)
Abkhazia	Visa required[239]
Mount Athos	Special permit required	Special permit required (4 days: 25 euro for Orthodox visitors, 35 euro for non-Orthodox visitors, 18 euro for students). There is a visitors’ quota: maximum 100 Orthodox and 10 non-Orthodox per day and women are not allowed.[240][241]
Brest and Grodno	Visa not required	Visa-free for 10 days[242]
Republic of Crimea	eVisa[243]	16 days. Visa policy of Russia applies de facto.[244]
Turkish Republic of Northern Cyprus	Visa not required	3 months[245][246]
UN Buffer Zone in Cyprus	Access Permit required[247]	Access Permit is required for travelling inside the zone, except Civil Use Areas.
Faroe Islands	Visa not required[248]
Gibraltar	Visa not required[249]
Guernsey	Visa not required[250]
Isle of Man	Visa not required[251]
Jan Mayen	Permit required[252]	Permit issued by the local police required for staying for less than 24 hours[253] and permit issued by the Norwegian police for staying for more than 24 hours.[254]
Jersey	Visa not required[255]
Kosovo	Visa not required	90 days[256]
Artsakh	Visa required[257][258]	Travellers with Artsakh visa (expired or valid) or evidence of travel to Artsakh (stamps) will be permanently denied entry to Azerbaijan.[259]
Novorossiya	Restricted area	Crossing from Ukraine requires visit purpose to be explained to Ukrainian passport control on exit and those who entered from Russia are not allowed to proceed further into Ukraine.[260]
Russia	Special authorization required	Several closed cities and regions in Russia require special authorization.[261]
South Ossetia	Visa not required	Multiple entry visa to Russia and three-day prior notification are required to enter South Ossetia.[262][263]
Transnistria	Visa not required	Registration required after 24h.[264][265]
Africa
Visitor to	Visa requirement	Notes (excluding departure fees)
Eritrea outside Asmara	Travel permit required	To travel in the rest of the country, a Travel Permit for Foreigners is required (20 Eritrean nakfa).[266]
Mayotte	Visa not required[267]
Réunion	Visa not required[267]
Ascension Island	eVisa[268][269]	3 months within any year period
Saint Helena	Visitor’s Pass required	Visitor’s Pass granted on arrival valid for 4/10/21/60/90 days for 12/14/16/20/25 pound sterling.[270]
Tristan da Cunha	Permission required	Permission to land required for 15/30 pounds sterling (yacht/ship passenger) for Tristan da Cunha Island or 20 pounds sterling for Gough Island, Inaccessible Island or Nightingale Islands.[271]
Sahrawi Arab Democratic Republic	Visa required	Undefined visa regime in the Western Sahara controlled territory.
Somaliland	Visa on arrival	30 days for 30 US dollars, payable on arrival.[272][273]
Sudan	Travel permit required	All foreigners traveling more than 25 kilometers outside of Khartoum must obtain a travel permit.
Darfur	Travel permit required	Separate travel permit is required.[274]
Asia
Visitor to	Visa requirement	Notes (excluding departure fees)
British Indian Ocean Territory	Special permit required	Special permit required.[275]
Hong Kong	Visa not required[276]	3 months[277]
India PAP/RAP	PAP/RAP required	Protected Area Permit (PAP) required for whole states of Nagaland and Sikkim and parts of states Manipur, Arunachal Pradesh, Uttarakhand, Jammu and Kashmir, Rajasthan, Himachal Pradesh. Restricted Area Permit (RAP) required for all of Andaman and Nicobar Islands and parts of Sikkim. Some of these requirements are occasionally lifted for a year.[278][279][280][281][282]
Iraqi Kurdistan	Visa on arrival	15 days[283]
Kazakhstan	Special permission required	Special permission required for the town of Baikonur and surrounding areas in Kyzylorda Oblast, and the town of Gvardeyskiy near Almaty.[284]
Kish Island	Visa not required	Visitors to Kish Island do not require a visa.[285]
Macao	Visa not required[286]	90 days
Sabah and Sarawak	Visa not required	These states have their own immigration authorities and passport is required to travel to them, however the same visa applies.[287]
Maldives outside Malé	Permission required	Tourists are generally prohibited from visiting non-resort islands without the express permission of the Government of Maldives.[288]
North Korea outside Pyongyang	Special permit required	People are not allowed to leave the capital city, tourists can only leave the capital with a governmental tourist guide (no independent moving)
Palestine	Visa not required[289]	Arrival by sea to Gaza Strip not allowed.[290]
Taiwan	Visa not required[291]	90 days
Gorno-Badakhshan Autonomous Province	OIVR permit required	OIVR permit required (15+5 Tajikistani Somoni) and another special permit (free of charge) is required for Lake Sarez.[292][293][294]
Tibet Autonomous Region	TTP required	Tibet Travel Permit required (10 US Dollars).[295][296][297]
Turkmenistan	Special permit required	A special permit, issued prior to arrival by Ministry of Foreign Affairs, is required if visiting the following places: Atamurat, Cheleken, Dashoguz, Serakhs and Serhetabat.[298]
Korean Demilitarized Zone	Restricted area
UNDOF Zone and Ghajar	Restricted area
Yemen	Special permission required	Special permission needed for travel outside Sana’a or Aden.[299]
Caribbean and North Atlantic
Visitor to	Visa requirement	Notes (excluding departure fees)
Anguilla	Visa not required[300]	3 months
Aruba	Visa not required[301]	30 days, extendable to 180 days[302]
Bermuda	Visa not required	Up to 6 months, decided on arrival.[303]
Bonaire, St. Eustatius and Saba	Visa not required[304]	3 months[305]
British Virgin Islands	Visa not required[306]	30 days, extensions possible
San Andrés and Leticia	Tourist Card on arrival	Visitors arriving at Gustavo Rojas Pinilla International Airport and Alfredo Vásquez Cobo International Airport must buy tourist cards on arrival.[307]
Cayman Islands	Visa not required[308]	6 months
Curaçao	Visa not required[309]	3 months
French Guiana	Visa not required[310]
French West Indies	Visa not required	French West Indies refers to Martinique, Guadeloupe, Saint Martin and Saint Barthélemy.[311]
Greenland	Visa not required[248]
Margarita Island	Visa not required	All visitors are fingerprinted.[312]
Montserrat	Visa not required[313]	6 months
Puerto Rico	Visa not required[314]	Visa not required under the Visa Waiver Program, for 90 days on arrival from overseas for 2 years. ESTA required.
Saint Pierre and Miquelon	Visa not required[267]
Sint Maarten	Visa not required[315]	3 months[316]
Turks and Caicos Islands	Visa not required[317]	90 days
U.S. Virgin Islands	Visa not required[318]	Visa not required under the Visa Waiver Program, for 90 days on arrival from overseas for 2 years. ESTA required.
Oceania
Visitor to	Visa requirement	Notes (excluding departure fees)
American Samoa	Electronic authorization[319]	30 days
Ashmore and Cartier Islands	Special authorisation required	Special authorisation required.[320]
Clipperton Island	Special permit required	Special permit required.[321]
Cook Islands	Visa not required[322]	31 days
Lau Province	Special permission required	Special permission required.[323]
French Polynesia	Visa not required[324]
Guam	Visa not required[325]	45 days
New Caledonia	Visa not required[267]
Niue	Visa on arrival[326]	30 days
Northern Mariana Islands	Visa not required[327]	45 days
Pitcairn Islands	Visa not required	14 days visa free and landing fee US$35 or tax of US$5 if not going ashore.[328][329][330]
United States Minor Outlying Islands	Special permits required	Special permits required for Baker Island, Howland Island, Jarvis Island, Johnston Atoll, Kingman Reef, Midway Atoll, Palmyra Atoll and Wake Island.[331][332][333][334][335][336][337]
Wallis and Futuna	Visa not required[267]
South America
Visitor to	Visa requirement	Notes (excluding departure fees)
Galápagos	Pre-registration required	Online pre-registration is required. Transit Control Card must also be obtained at the airport prior to departure.[338]
South Atlantic and Antarctica
Visitor to	Visa requirement	Notes (excluding departure fees)
Falkland Islands	Visa not required	Visa is not required.[339]
South Georgia and the South Sandwich Islands	Permit required	Pre-arrival permit from the Commissioner required (72 hours/1 month for 110/160 pounds sterling).[340][341]
Antarctica		Special permits required for  British Antarctic Territory,  French Southern and Antarctic Lands,  Argentine Antarctica,  Australian Antarctic Territory,  Bouvet Island,  Chilean Antarctic Territory,  Heard Island and McDonald Islands,  Peter I Island,  Queen Maud Land,  Ross Dependency.[342][343][344][345][346][347][348][349][350][351][352][353]