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Wednesday, August 19, 2026Japan's National Daily


Japanese version


Accuracy and cultural understanding vital as demand grows for Nagasaki police interpreters


August 17, 2026 (Mainichi Japan)


 


NAGASAKI -- The number of assignments handled by in-house interpreters at Nagasaki Prefectural Police in criminal cases, accidents and other incidents involving foreign nationals has roughly tripled over the past five years. Because police interpreting can have serious implications for human rights, there is no room for error. One police officer who recently qualified as an interpreter spoke about his job.


 


Interest sparked while working at a police box


 


"You need to take an interest in their country's culture and national characteristics, and try to help the foreign national in front of you open up, even a little," said a 30-year-old sergeant.


 


While working at a police box in a tourist area of the city of Nagasaki, he assisted foreign visitors who came seeking help. The experience sparked his interest in interpreting. He subsequently spent two years studying Vietnamese from scratch at the National Police Academy in Tokyo and qualified as a Vietnamese-language police interpreter in February this year.


 


He was soon assigned to interpret for a Vietnamese man arrested on suspicion of offenses including the use of a forged residence card in violation of the Immigration Control and Refugee Recognition Act.


 


Vietnamese has northern, central and southern dialects, and the pronunciation of the same word can vary by region. The suspect spoke a central dialect.


 


Because the sergeant had mainly studied the northern variety at the police academy, he initially found the man difficult to understand.


 


"To interpret every word of the investigator's questions and the suspect's answers accurately, I repeatedly asked him to clarify what he had said so that I could fully understand what he meant," the sergeant recalled.


 


He listens to Vietnamese-language news during his commute and studies vocabulary every evening after returning home. On his days off, he visits Vietnamese restaurants and makes a point of speaking Vietnamese.


 


"I am a police officer, but as an interpreter I must remain neutral," he said. "I cannot afford to mistranslate anything."


 


Assignments nearly triple


 


The sergeant is one of 86 officers registered as in-house interpreters with Nagasaki Prefectural Police. Together, they provide interpreting services in seven languages: English, Chinese, Korean, Russian, Vietnamese, Indonesian and Thai.


 


The number of interpreting assignments rose from 110 in 2021 to 322 in 2025.


 


The interpreters are drawn from officers holding the rank of inspector or below. New interpreters must be trained every year to fill vacancies created when existing interpreters are promoted to chief inspector or retire.


 


Each year, the prefectural police select several officers and send them to the Research and Training Center for International Criminal Investigation and Police Cooperation at the National Police Academy for two years. This year, it also began sending trainees to police departments in other prefectures to gain practical experience.


 


"Looking to the future, we want to further develop the interpreter system and provide follow-up support to improve interpreters' skills," said Masahiro Kanda, deputy head of the organized crime control division, which coordinates interpreter assignments.


 


(Japanese original by Naoki Soeya, Nagasaki Bureau)"


https://mainichi.jp/english/articles/20260817/p2a/00m/0na/004000c


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