The current market size and 5-year growth projection of the online grocery (e-grocery) market in the United States, in terms of both U.S. dollars and number of deliveries.

Source 1:
[US consumer online grocery shopping and its size.]
[https://www.statista.com/topics/1915/us-consumers-online-grocery-shopping/]
[In total, U.S. Online grocery sales amounted to about 14.2 billion U.S. Dollars in 2017]

Source 2:
[E-Grocery sales from 2018-2021]
[https://www.statista.com/statistics/293707/us-online-grocery-sales/]
[Sales at 2021 is going to reach 30 billion Dollar as estimated.]

Source 3:
[Online Grocery sales to reach in 2025]
[https://www.forbes.com/sites/pamdanziger/2018/01/18/online-grocery-sales-to-reach-100-billion-in-2025-amazon-set-to-be-market-share-leader/#5967170562f3]  
[Online grocery sales are predicted to capture 20% of total grocery retail by 2025 to reach $100 billion in consumer sales, according to study by the Food Marketing Institute conducted by Nielsen.]

Source 4:
[The grocery sellers shares, i.e., deliveries they do.]
[https://www.forbes.com/sites/pamdanziger/2018/01/18/online-grocery-sales-to-reach-100-billion-in-2025-amazon-set-to-be-market-share-leader/#5967170562f3]
[Amazon’s share of the online grocery market stands at 18%, according to a new study One Click Retail, which compiles data for the world’s ecommerce marketplaces. With an estimated $2 billion in food and beverage sales, Amazon stands head and shoulders above its closest competitor, Walmart, with roughly half of Amazon’s market share.]

Source 5:
[US shoppers spending this year.]
[https://www.fungglobalretailtech.com/research/deep-dive-us-online-grocery-update-reviewing-shifting-landscape/]
[US shoppers will spend $9.3 billion on food and drink online this year, according to Euromonitor International.]

Source 6:
[Online grocery shopping could grow five-fold over the next decade]
[https://www.cnbc.com/2017/01/30/online-grocery-sales-set-surge-grabbing-20-percent-of-market-by-2025.html]
[American consumers spending upwards of $100 billion on food-at-home items by 2025, according to a report released.]

Summary Notes:
The current market size of the grocery selling companies is about 18 Billion Dollars.
And it is expected to grow to 100 Billion Dollars in 2025. Amazon is leading in leading grocery delivering. 

METHODOLOGY
We have searched for the current market size and the growth that can be seen in the coming years in US. We have searched the particular topics and got results in statista.com which is very followed by marketing people and trusted. We got the result as, in 2017 the grocery market size was up-to 14billion dollars,  in 2018 it is 18 billion dollars and it is expected to increase 22,26,30 billion dollars according to statista.com . We found same result at business insider, and it expected to grow 100 billion dollars in 2025. For deliveries, considering more shares the more number of deliveries,  Amazon stands head and shoulders above its closest competitor, Walmart, with roughly half of Amazon’s market share. There are many companies which are doing the services of delivering groceries, like instacart.