I have been collecting info, but still didn't have enough time to do it for every NT. Feel free to name others and will be added to the list.
Belgium
Retin Obasohan - injury
Matt Lojeski - coming back after injury
Croatia
Ivica Zubac - personal reasons
Ante Toni Žižić - personal reasons
Mario Hezonja - personal reasons
Miro Bilan - dickhead
Damjan Rudež
Czech Republic
Jan Vesely - personal reasons
Blake Schilb - personal reasons
Pavel Pumprla
Ondrej Balvin - coming back after injury
Finland
possible miss Petteri Kopponen - ? - yet to play this summer
France
Tony Parker - retired from NT
Nicolas Batum - personal reasons
Fabien Causeur - injury
Rudy Gobert - personal reasons
Ian Mahinmi
Alexis Ajinca
Frank Ntilikina
Greece
Vassiliss Spanoulis - retired from NT
Kostas Koufos
Tyler Dorsey
Stratos Perperoglou
Giannis Antetokounmpo - injury (?)
Georgia
Viktor Sanikidze
Beka Burjanadze
Germany
Paul Zipser - personal reasons (?)
Dirk Nowitzki - retired from NT
Maxi Kleber
Great Britain
Luol Deng
Ogugua Anunoby
Joel Freeland - injury
Hungary
possible miss Adam Hanga - ? - yet to play this summer
DeAndre Kane
Iceland
Israel
Italy
Andrea Bargnani - coming back after injury
Danillo Gallinari - dickhead
Alessandro Gentile
Latvia
Andrejs Pasecniks - personal reasons
Rodions Kurucs
Lithuania
Paulius Jankunas - personal reasons
Domantas Sabonis - personal reasons
Lukas Lekavicius - injury
Montenegro
Petar Popović
Milko Bjelica - injury
Vladimir Dašić - injury
Poland
Marcin Gortat - retired from NT
Maciej Lampe
Romania
Russia
Anton Ponkrashov
Sergey Karasev - injury
Slovenia
Alen Omić - naturalized player
Mirza Begić - naturalized player
Zoran Dragič - injury
Serbia
Nikola Jokić - personal reasons
Nemanja Bjelica - coming back after injury
Marko Simonović - injury
Miloš Teodosić - injury (?)
Stefan Marković - retired from NT
Miroslav Raduljica - injury
Nikola Milutinov
Nemanja Dangubić
Spain
Nikola Mirotić - personal reasons
Pau Ribas - injury
Serge Ibaka - naturalized player
Victor Claver
Rudy Fernandez - personal reasons
Jose Calderon - retired from NT
Sergio Llull - injury
Turkey
Ersan Ilyasova - personal reasons
Omer Asik - health issues
Enes Kanter - political reasons
Ukraine
Kyrylo Fesenko - injury
Pooh Jeter - personal reasons
Jerome Randle - personal reasons
Alex Len - personal reasons
Sergiy Gladyr
Belgium
Retin Obasohan - injury
Matt Lojeski - coming back after injury
Croatia
Ivica Zubac - personal reasons
Ante Toni Žižić - personal reasons
Mario Hezonja - personal reasons
Miro Bilan - dickhead
Damjan Rudež
Czech Republic
Jan Vesely - personal reasons
Blake Schilb - personal reasons
Pavel Pumprla
Ondrej Balvin - coming back after injury
Finland
possible miss Petteri Kopponen - ? - yet to play this summer
France
Tony Parker - retired from NT
Nicolas Batum - personal reasons
Fabien Causeur - injury
Rudy Gobert - personal reasons
Ian Mahinmi
Alexis Ajinca
Frank Ntilikina
Greece
Vassiliss Spanoulis - retired from NT
Kostas Koufos
Tyler Dorsey
Stratos Perperoglou
Giannis Antetokounmpo - injury (?)
Georgia
Viktor Sanikidze
Beka Burjanadze
Germany
Paul Zipser - personal reasons (?)
Dirk Nowitzki - retired from NT
Maxi Kleber
Great Britain
Luol Deng
Ogugua Anunoby
Joel Freeland - injury
Hungary
possible miss Adam Hanga - ? - yet to play this summer
DeAndre Kane
Iceland
Israel
Italy
Andrea Bargnani - coming back after injury
Danillo Gallinari - dickhead
Alessandro Gentile
Latvia
Andrejs Pasecniks - personal reasons
Rodions Kurucs
Lithuania
Paulius Jankunas - personal reasons
Domantas Sabonis - personal reasons
Lukas Lekavicius - injury
Montenegro
Petar Popović
Milko Bjelica - injury
Vladimir Dašić - injury
Poland
Marcin Gortat - retired from NT
Maciej Lampe
Romania
Russia
Anton Ponkrashov
Sergey Karasev - injury
Slovenia
Alen Omić - naturalized player
Mirza Begić - naturalized player
Zoran Dragič - injury
Serbia
Nikola Jokić - personal reasons
Nemanja Bjelica - coming back after injury
Marko Simonović - injury
Miloš Teodosić - injury (?)
Stefan Marković - retired from NT
Miroslav Raduljica - injury
Nikola Milutinov
Nemanja Dangubić
Spain
Nikola Mirotić - personal reasons
Pau Ribas - injury
Serge Ibaka - naturalized player
Victor Claver
Rudy Fernandez - personal reasons
Jose Calderon - retired from NT
Sergio Llull - injury
Turkey
Ersan Ilyasova - personal reasons
Omer Asik - health issues
Enes Kanter - political reasons
Ukraine
Kyrylo Fesenko - injury
Pooh Jeter - personal reasons
Jerome Randle - personal reasons
Alex Len - personal reasons
Sergiy Gladyr
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