Japan is doubling the residency period needed for obtaining citizenship to 10 years and adding a language requirement as part of a broad political push for stricter oversight of foreigners.
The overhaul of immigration rules, which may take effect as soon as next year, comes after the Nippon Ishin party, a partner in the ruling coalition, branded the existing standards too lenient, prompting prime minister Sanae Takaichi to order a formal review.
