A fter 13 years of using robots in its warehouses, Amazon has hit a big milestone: it now has 1 million robots working in its facilities. The one-millionth robot was recently delivered to a warehouse in Japan. This means Amazon's warehouses could soon have just as many robots as they do human workers, according to The Wall Street Journal .

Amazon (NASDAQ:AMZN) just hit a milestone with its one-millionth warehouse robot deployed in Japan, pushing its robot-to-human ratio toward parity as it expands the world's largest fleet of industrial mobile bots.

Amazon recently announced the deployment of its 1 millionth robot in a Japanese warehouse, marking a significant milestone in its 13-year robotics journey.