Over the past week, tensions between China and Japan heated up over Taiwan. It started when Japan’s Prime Minister, Sanae Takaichi, suggested that if China attacked Taiwan, Japan might use its self-defense forces. This statement triggered strong reactions from both countries’ foreign ministries.
Let’s break down what happened.
During a parliamentary meeting in Japan, a lawmaker asked Takaichi about situations that would threaten Japan’s survival. She answered that military actions, like battleships using force, could pose such a threat. This aligns with Japan’s security laws, which allow for a defensive response in case of an armed attack on an ally.
China quickly reacted, calling Takaichi’s comments “egregious.” A Chinese diplomat even shared an aggressive remark on social media, suggesting retaliatory action against Takaichi. Japan countered by filing protests against these comments while Beijing did the same for Takaichi’s statement.
Takaichi stood by her words but pledged to be more careful moving forward. This back-and-forth has roots in the historical hostility between China and Japan, stemming from past conflicts and World War II atrocities.
Today, the sentiment surrounding Taiwan is particularly sensitive. Takaichi has openly supported Taiwan and warned that actions against the island could endanger Japan. A recent poll by the Asia-Pacific Journal showed that around 70% of Japanese citizens support stronger ties with Taiwan.
China claims Taiwan as part of its territory and has not ruled out using force to take it. Any statements regarding Taiwan often escalate quickly, as seen when Japan’s former Deputy Prime Minister, Taro Aso, suggested earlier that Japan would support the U.S. in defending Taiwan during an invasion.
What’s interesting is that Japan has previously maintained a “strategic ambiguity” concerning Taiwan, similar to the U.S. This approach has kept economic ties strong while maintaining a defensive posture without direct commitments.
The current situation highlights a shift away from this ambiguity. Takaichi’s remarks could signal a more decisive Japanese stance, which may alarm China further. As this plays out, the focus will remain on how both countries navigate their relationships with Taiwan and each other amidst growing tensions.

