Online grocers have amassed more than $21.6 billion in sales over the past three year, data from Nielsen and Rakuten intelligence has found

Total omnichannel sales for fast-moving consumer goods (FMCG) products have officially reached $1.01 trillion. That finding comes from what is said to be the “first complete and unifying look into the omnichannel landscape,” made possible through an exclusive agreement between Nielsen and Rakuten Intelligence, which combines Nielsen’s online purchase data (ePOS) and rich product reference data with Rakuten Intelligence’s extensive consumer-sourced panel.

The omnichannel retail universe encompasses online and offline sales, which are up 2.6 percent from a year ago, and 3.4 percent from the same time period in 2016. Ecommerce within the FMCG landscape accounts for 5 percent of total FMCG sales, but 40 percent of year-over-year dollar growth, Further, FMCG ecommerce is…