A group of Mongolian students and foreign workers.

Japan needs immigrants, but do immigrants need Japan?

Updated 0123 GMT (0923 HKT) December 8, 2018

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The series on Japan's demographic reckoning is supported by the Pulitzer Center on Crisis Reporting. None of the material in this series may be reproduced without an explicit credit to CNN and the Pulitzer Center.

Tokyo (CNN)One of the first concepts Linh Nguyen learned while studying Japanese was "uchi-soto."

It refers to the practice of categorizing people into one of two groups -- insiders or outsiders. Family, friends and close acquaintances are insiders, referred to as "uchi," while "soto" is for those relegated to the periphery.
Japan's new immigration law

A proposed amendment to the immigration law, if passed, will create two new visas for foreign workers.

The first, renewable for up to 5 years, would cover semi-qualified, blue-collar workers, and is aimed at plugging gaps in areas such as care-giving and manufacturing.

The second type, which would have no renewal limit, is aimed at attracting high-skilled workers. Both visas require proficiency in Japanese.

For this Japan-obsessed student in Vietnam, it felt like a warning: she could be about to enter a deeply closed society that would always consider her an outsider.
Ultimately, though, that was not Nguyen's experience. The 25-year-old discovered that Japan was slowly ch