This study utilized textual analysis to investigate 27 articles published by Japanese scholars from various disciplines regarding constructivist approaches. The results found that many of the collected articles in this study reported the need for and effectiveness of a constructivist approach in language, STEM, and social sciences education. The most popular topic found in the collected articles related to English language classrooms with 13 of the 27 articles discussing English language classrooms. Only 11 of the 27 articles reported the actual implementation of a constructivist approach, while the other 16 were theoretical papers that asserted the need for and effectiveness of constructivism. These results indicate that constructivist approaches in Japan are still an underdeveloped area. Japanese educators will be required to spend further time and effort to actually implement the approach, especially in STEM and social studies classrooms.