@shinjiko9 Instagram Follower Counter and Stats
Monthly Growth
Followers
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FollowingMonthly GrowthFollowersPostsFollowing越川慎司 皆さんのおかげで著書29冊『トップ5%シリーズ』は重版21刷20万部超え/ 815社17万人の働き方を改革を支援/週休3日の㍿クロスリバー創業社長/ハーレー スポーツスター ローライダーST乗り
@shinjiko9 is the verified Instagram account of Shinji Koshikawa, a Japanese author and the president of Cross River Inc., which maintains a following of 1,628,588 users. The account focuses on business productivity, professional development, and time management strategies, frequently highlighting his published works and research on high-performance workplace habits. With 575 total posts published since the account's inception, the creator averages approximately 1.5 posts per week, though a specific geographic location is not provided in the profile data. Beyond Instagram, Koshikawa is also active on YouTube and maintains a Linktree page to direct followers to his various professional resources and international book editions.
This analysis report tracked and analyzed the account across multiple dimensions.
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@shinjiko9 currently has 1,628,711 followers on Instagram, tracked by DolphinRadar since Jul 22, 2026. Over the past 4 weeks, the account experienced a net follower change of +6,007. The average weekly change is +1,951, and the trend is inconsistent, characterized by alternating periods of growth and decline with weekly fluctuations of +3,878, -4,964, +10,332, and -3,239. The profile currently maintains a total of 575 posts and is following 344 accounts.
Over the two-month tracking period from July 2026 to August 2026, the Instagram profile for @shinjiko9 experienced a total follower increase of 6,305, representing a growth of approximately 0.39 percent, according to DolphinRadar's monthly tracking data. The month of August 2026 recorded the highest follower gain with an increase of 6,305 users, while no months during this period showed a loss in total followers. Regarding account activity, the following count rose by 3 users, while the posting frequency increased by 7 posts between the two snapshots. As of the latest snapshot date in August 2026, the account maintains a total of 1,628,711 followers, 344 accounts followed, and 575 total posts.
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