TikTok’s Shopping tab marks a big but necessary shift: The feature will let select Shopify merchants add product catalogs to their profiles, likely the first of many interface changes to facilitate ecommerce on the TikTok.

Following a major shift to online retail in 2020, retail ecommerce sales will continue to grow by double digits through 2023 and make up an increasing share of total retail sales worldwide.

We estimate that 1 in 8 digital ad dollars this year will be spent on impressions for ecommerce properties. This week, we discuss our forecast as well as Amazon's rise, which companies are most interesting to watch now, and what we expect as more upper-funnel ads appear in retail media. Tune in to the discussion with eMarketer senior forecasting analyst Eric Haggstrom and principal analysts at Insider Intelligence Andrew Lipsman and Nicole Perrin.

Read the latest retail stories from Insider Intelligence.

In 2021, Amazon will account for 41.4% of all US retail ecommerce sales. The tech giant will contribute more than 50% of US growth in online sales from 2019 to 2021. We estimate Amazon’s ecommerce sales will rise by $168.53 billion in that time frame, to reach a staggering $386.40 billion by the end of this year.

Retail loyalty programs—the most prevalent type in consumers’ wallets—help brands develop lasting customer relationships through easy, accessible, and appealing incentives. Co-brand credit cards—issued as partnerships between major brands, banks, and card networks— have long been a key piece of that puzzle.

Alibaba’s quarterly earnings: The ecommerce giant posted strong growth in its retail and global businesses, even though we expect its share of China’s total ecommerce sales to dip slightly this year.

Alibaba’s quarterly earnings: The ecommerce giant posted strong growth in its retail and global businesses, even though we expect its share of China’s total ecommerce sales to dip slightly this year.

During the pandemic-induced lockdowns in 2020, many UK-based shoppers confined to their homes saw little need to shop for apparel, and even now, as restrictions ease, apparel will still not be a consumer focus.

As retailers explore new strategies in H2 2021 and beyond, they will need to gain greater understanding of which consumer behaviors have shifted permanently, which will revert to those of pre-pandemic times, and which will settle somewhere in the middle.

Three of the four largest ecommerce companies in the world are based in China—Alibaba, JD.com, and Pinduoduo (PDD)—and they are all still delivering impressive annual sales increases.

Amazon’s Q2 earnings are tomorrow: Due in part to the coronavirus pandemic, we expect Amazon’s retail sales to best last year’s.

The top 15 livestream shopping categories in China

Nonstore retailers like Amazon and Wayfair, which operate solely online, are dominating the US ecommerce market.

The pandemic supercharged ecommerce sales in the US, accelerating the digital market about two years into the future in terms of its penetration of total retail sales.

Aussies love their social commerce! Or so it would seem, based on eMarketer’s inaugural forecast for social buying in Australia.

Where are people buying into social buying?

Amazon is maneuvering to become a dominant player in direct-to-consumer healthcare services, beginning with its online pharmacy and telehealth services for its employees. It may acquire more healthcare delivery outlets, such as primary care and urgent care clinics. Entrenched industry players are watching carefully.

We expect US social commerce sales to rise by 35.8% in 2021 to $36.62 billion. That’s only a slight deceleration in growth from 2020, when sales surged by 38.9% thanks to the pandemic-driven boom in ecommerce, increased social media consumption, and brands continuing to leverage these platforms to sell directly to consumers.

US ecommerce sales are projected to continue double digit growth.