Tower Records photographed on April 4, 2020 in Shibuya, Japan. Streaming revenues grew 25% in 2020, according to the Recording Industry Association of Japan, but physical was down 15% leading to a 9% decline overall. TOKYO — Digital music sales in Japan rose 11% in 2020, as the world's second-largest market posted its seventh straight year of digital gains amid sliding physical sales, according to data released this week by the Recording Industry Association of Japan (RIAJ). Fueled by a 25% uptick in streaming audio revenues, to 50.7 billion yen ($465.9 million), overall digital sales climbed to 78.3 billion yen ($719.2 million) in wholesale value. By contrast, physical music sales, largely CDs, fell 15% in wholesale-value terms to 129.9 billion yen ($1.2 billion). In unit terms, physical dropped 21% to 105.7 million. Japan is the world's biggest consumer of physical music products.