Half of Amazon’s Operating Profits are from AWS

Once started as a side business, AWS is becoming Amazon’s primary business unit.

Half of Amazon’s operating profits are from AWS. Share of AWS in total sales of Amazon are also more than 10%.

In financial results delivered Thursday, AWS drove $7.43 billion sales for the quarter ending Dec. 31, up 45% from $5.11 billion year-over-year. 

That’s the same year-over-year growth rate (Q4 2018 over Q4 2017) for AWS that it saw in the year-ago quarter (Q4 2017 over Q4 2016).

Operating income for AWS was $2.17 billion, up from $1.35 billion in the year-ago quarter.…