Analysis of information sources in references of the Wikipedia article "Henley Pasaport Endeksi" in Turkish language version.
...what are the political factors governing the strength of your passport? Perhaps more importantly, if your passport is not serving you, what can you do to enhance it? The 2018 Henley Passport Index was designed with these questions in mind. Launched 9 January, and replacing the Henley Visa Restrictions Index, the Henley Passport Index provides a ranking
The index and its contents are based on data provided by the International Air Transport Authority (IATA) and supplemented, enhanced, and updated using extensive in-house research and open-source online data. The index includes 199 different passports and 227 different travel destinations. Updated in real-time throughout the year, as and when visa-policy changes come into effect...On a fixed date each year, Henley & Partners receives exclusive data from the International Air Transport Authority (IATA), which forms the basis of the Henley Passport Index. In order to maintain the accuracy of the data provided by IATA in the face of constant updates to visa policy, and in order to create detailed visa lists for all 199 passports in our database, the Henley & Partners research team uses publicly available and reliable online sources to cross-check each passport against all 227 possible travel destinations. This research process is ongoing throughout the year. It is coupled with a rigorous monitoring system to pick up relevant visa-policy shifts.
...what are the political factors governing the strength of your passport? Perhaps more importantly, if your passport is not serving you, what can you do to enhance it? The 2018 Henley Passport Index was designed with these questions in mind. Launched 9 January, and replacing the Henley Visa Restrictions Index, the Henley Passport Index provides a ranking
The index and its contents are based on data provided by the International Air Transport Authority (IATA) and supplemented, enhanced, and updated using extensive in-house research and open-source online data. The index includes 199 different passports and 227 different travel destinations. Updated in real-time throughout the year, as and when visa-policy changes come into effect...On a fixed date each year, Henley & Partners receives exclusive data from the International Air Transport Authority (IATA), which forms the basis of the Henley Passport Index. In order to maintain the accuracy of the data provided by IATA in the face of constant updates to visa policy, and in order to create detailed visa lists for all 199 passports in our database, the Henley & Partners research team uses publicly available and reliable online sources to cross-check each passport against all 227 possible travel destinations. This research process is ongoing throughout the year. It is coupled with a rigorous monitoring system to pick up relevant visa-policy shifts.