How fast is Roth growing?

The term 'Roth' refers to several concepts. It can be an individual retirement account (Roth IRA) in the United States where after-tax contributions allow tax-free withdrawals in retirement. 'Roth' is also a surname of German origin and a company name, such as Roth Industries (water and wastewater technology) or Roth Capital Partners (investment banking). Additionally, it refers to Jonathan Roth, a prominent economist known for his work in difference-in-differences (DiD) econometrics, which is currently trending in academic circles.