Coincidentally Romania is retiring it's own 5th Generation Fighter, the MiG-21 Lancer.
Much like with everyone still operating the MiG-21, even the moderized ones, they have a very considerable accident rate and in Romanian service, have been grounded fairly often due to various safety and operational issues. Romanian received its first MiG-21's back in 1965. The LanceR's currently in service and now just retired were upgraded by Romanian and Israeli firms starting in the late 90's.
The MiG-21 LanceR was the longest serving fighter jet in Romanian Air Force. After 61 years of career, the iconic MiG-21 LanceR, the longest-lived fighter
theaviationist.com
Romania plans on acquiring over thirty Norwegian F-16 Fighters to supplement the fourteen they already have in service.
India, IIRC, has over a hundred MiG-21bis in active service still and which have been planned on being phased out for the better part of a decade. But they're still in active service. Besides them, almost every other country still operating them only operates a small number of them with the exception of Best Korea which has even more MiG-21's or its Chinese derivative, the J-7, in service then even India and China itself which has a few hundred still in operation (and Pakistan lesser numbers of the J-7 as well).