The latest observations are for August 2020.  https://www.ecb.europa.eu/press/key/date/2020/html/ecb.sp201006~e1d38a1ccc.en.html  9/12  07/10/2020  The ECB’s monetary policy in the pandemic: meeting the challenge  Meeting the monetary policy challenge The pandemic represents a significant monetary policy challenge. Weak demand and rising economic slack have added to disinflationary pressures in an environment that is already characterised by low inflation.
Chart 2  Share of the World's Middle-Income Class 2009  2030 (Projection)  28%  34%  66%  72%  Asia  Rest of the World  Note: The share of the number of people with daily per capita income of between 10 and 100 U.S. dollars in terms of purchasing power parity.