According to the International Federation of Robotics, how many robots existed in 2012?

According to the International Federation of Robotics (IFR), here are the relevant figures for the number of industrial robots in operation as of 2012:

• The estimated operational stock of multipurpose industrial robots at the end of 2011 was between 1,153,000 and 1,400,000 units, depending on the assumed service life of the robots1.

For 2012, the forecasted operational stock is as follows:

• The estimated operational stock of multipurpose industrial robots at the end of 2012 was forecasted to be around 1,235,600 units1.

Therefore, as of 2012, the estimated number of operational industrial robots was approximately 1,235,600 units.