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Walter Sim

Japan Correspondent

Walter is Japan correspondent at The Straits Times. He joined The Straits Times in 2012, covering crime and politics in Singapore, and relocated to Tokyo as Japan correspondent in June 2016. He now reports on myriad issues from politics and the economy to socio-cultural trends, with datelines spanning the Japanese archipelago from Hokkaido to Okinawa. He has the highest N1 certification in the Japanese Language Proficiency Test, and now chairs the Foreign Press In Japan. 

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For 80 years, Japan has tied its own hands. Will it now get a ‘normal’ military?

Members of the the Japan Maritime Self-Defense Force on May 21. Officials remain quietly confident that Japan can still be a formidable force by strengthening security partnerships.
Members of the the Japan Maritime Self-Defense Force on May 21. Officials remain quietly confident that Japan can still be a formidable force by strengthening security partnerships.

‘Enlightened self-interest’ spurs Japan’s deepening economic security ties with ASEAN amid Iran war

Japanese factories rely heavily on imports from ASEAN, and any disruption there hits home.
Japanese factories rely heavily on imports from ASEAN, and any disruption there hits home.

Japan’s bullied children have found a new controversial avenue to get back at their tormentors

A record 769,022 cases of bullying were reported across Japan in the 2024 academic year ending March 2025.
A record 769,022 cases of bullying were reported across Japan in the 2024 academic year ending March 2025.

‘Japan Passing’? Trump eases Tokyo jitters with phone call to Takaichi after Xi summit

US President Donald Trump meets Japanese Prime Minister Sanae Takaichi in the Oval Office at the White House on March 19, 2026.
US President Donald Trump meets Japanese Prime Minister Sanae Takaichi in the Oval Office at the White House on March 19, 2026.

Japan’s iconic Calbee potato chips will soon move to black-and-white packaging. Here’s why

Japanese snack giant Calbee will temporarily switch to black-and-white packaging for 14 product lines in its native Japan, due to a shortage of naphtha.
Japanese snack giant Calbee will temporarily switch to black-and-white packaging for 14 product lines in its native Japan, due to a shortage of naphtha.

Fewer scallops but more pinot noir: Hokkaido is changing in a warmer world

In Hokkaido, Japan's winter playground, climate change is offering opportunities to grow new crops, such as grapes, and the drive to tap green energy to power new industries.
In Hokkaido, Japan's winter playground, climate change is offering opportunities to grow new crops, such as grapes, and the drive to tap green energy to power new industries.

Japan doubles down on Asia’s defence by expanding budget, reach of security aid scheme

Japanese Prime Minister Sanae Takaichi vowed to build security cooperation with South-east Asia at the ASEAN Summit in Kuala Lumpur in October 2025.
Japanese Prime Minister Sanae Takaichi vowed to build security cooperation with South-east Asia at the ASEAN Summit in Kuala Lumpur in October 2025.

Beware of bears: Japan’s 2025 kanji character reflects worries over attacks on humans

Visitors take photos next to a bear warning sign at Shirakawa-go, a popular tourist spot and one of Japan's UNESCO World Heritage sites, on November 15.
Visitors take photos next to a bear warning sign at Shirakawa-go, a popular tourist spot and one of Japan's UNESCO World Heritage sites, on November 15.

10 questions on what 2026 holds for Asia

America’s waning appetite for global leadership is spawning levels of uncertainty and unreliability that many countries are unaccustomed to navigating.
America’s waning appetite for global leadership is spawning levels of uncertainty and unreliability that many countries are unaccustomed to navigating.

Japan has a shrinking population of kids and a tepid economy. But its toy market is booming

The International Tokyo Toy Show, an annual four-day event held from Aug 28 to 31 with the first two days for business stakeholders and the other two for members of the public, draws a bustling crowd eager to check out new toy releases.
The International Tokyo Toy Show, an annual four-day event held from Aug 28 to 31 with the first two days for business stakeholders and the other two for members of the public, draws a bustling crowd eager to check out new toy releases.

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MDDI (P) 046/10/2025. Published by SPH Media Limited, Co. Regn. No.202120748H. Copyright © 2026 SPH Media Limited. All rights reserved.