Amazon doesn't publicly disclose how many Amazon Prime members it is the U.S., or globally for that matter. But late last year, research company Parks Associates published data suggesting that Prime Video has surpassed Netflix in U.S. subscriber count.

From the article, "Amazon Touts JustWatch Report Saying It Beat Netflix in Q2 Engagement ... 'Take Our Market Share Data With a Grain of Salt,' Responds JustWatch's Founder" by Daniel Frankel.
“There’s only so many consumers out there that are willing to pay full price,” said a research analyst with Parks Associates From the article, "How Netflix is adapting as the streaming boom stalls....
Despite a respectable amount of content and games for virtual reality headsets – and options like Oculus Go driving down the cost of ownership – virtual reality has yet to tap into much of the U.S. ma...
Patrice Samuels, senior analyst at Parks Associates, a market research company specializing in emerging consumer technology products and services, said demand for traditional technology support, like...
Password sharing cost streaming companies about $9.1 billion last year, according to data from the research firm Parks Associates. From the article "The streaming wars are flooding us with TV".