1) Rakuten made English its official language to facilitate information sharing across its growing global operations in nine countries and 30+ nationalities.
2) Having English as the official language also supports Rakuten's plans for further global expansion into 27 countries with 70% of sales coming from abroad, requiring employees to communicate in English.
3) Adopting English aims to secure top talent globally to compete with companies like Google, Amazon, and Apple, as limiting the language to Japanese would reduce the available talent pool.