According to the Bank for International Settlements data, as of end-January 2021, the amount of outstanding sustainable bonds was about $ trillion, of which 75 precent are green, 13 percent are social, and 12 percent are sustainability-labelled bonds. These numbers are noticeably higher than the amount outstanding a year ago, totaling $ billion.
Yet, the size of the sustainability bond market still proves to be small relative to conventional comparators, which has a total outstanding size of $ trillion. Meanwhile, in terms of issuers of sustainability bonds, financials account for 41 percent, followed by non-financial corporates with 29 percent, and the official sector including supranational with 21 1/2  BIS central bankers' speeches  percent share.