Quad economies (US, India, Japan, Australia) account for US$34.8 trillion in GDP and 44% of Indo-Pacific trade. The grouping is shifting focus to infrastructure, including over $140 million for undersea cables and training for 2,200 professionals. The Quad countries also produce 34% of global scientific publications, reflecting a massive reservoir of innovation capacity in the region.
https://economictimes.indiatimes.com/news/international/world-news/from-strategic-dialogue-to-economic-statecraft-quads-structural-role-in-indo-pacific/articleshow/128959416.cms