People who move countries with professional qualifications frequently find those qualifications do not transfer. The mechanism is regulatory rather than a judgement about competence.
Regulation is national by design
Professions such as medicine, nursing, law, teaching and engineering are regulated within each country by a body that sets standards and maintains a register.
That body's authority stops at the border, so it has no basis for accepting another country's decisions unless a specific agreement exists.
Mutual recognition arrangements exist between some countries and for some professions, but coverage is patchy and often limited to particular qualifications.
Recognition is an evidentiary process
Applicants must usually document their training, supply verified transcripts, demonstrate language competence and sometimes pass examinations set locally.
Assembling documents from an institution abroad can be slow, and it may be impossible where records were lost or where the country of origin is in conflict.
Fees, examinations and supervised practice periods each carry cost, and they arrive when the applicant has just moved and has the least financial capacity.
Local experience becomes a circular requirement
Many registers require a period of supervised practice in the destination country, which requires a position, which frequently requires registration.
Employers assessing applications also weigh familiar institutions more heavily, since they can interpret them, which disadvantages unfamiliar credentials regardless of quality.
The common result is work below qualification level, sometimes for years, which is visible in labour statistics as a persistent mismatch between education and occupation.
The cost falls on more than the individual
Underused qualifications represent training already paid for elsewhere and skills unavailable to a system that may be short of them.
Destination countries with shortages in regulated professions therefore have a direct interest in faster recognition, and several operate expedited routes for specific occupations.
Those routes are usually narrow, tied to particular shortages, and adjusted as workforce needs change, so eligibility can shift between application and decision.
Immigration status interacts with all of it
Visa conditions may restrict which work is permitted or tie permission to a specific employer, which limits the ability to take a supervised position.
Recognition processes and immigration processes run separately with separate timescales, and a delay in one can jeopardise status under the other.
Because both sets of rules differ by country and profession and are revised frequently, anyone in this position needs current advice for their specific circumstances.