Use LSEG Workspace (formerly Refinitiv Workspace) (available at Barcelona and Madrid Libraries, or limited licenses for desktop application or web access).
Type “Rates Views”. Selecting a data category gives you access to all the series within a category.
Also search Bloomberg (available only from Barcelona and Madrid Libraries).
Type MMR and hit <GO> to access the Money Rate Monitor.
For government bond interest rate forecasts, type BYFC and hit <GO>.
Go to IMF eLibrary and limit by Interest rates and by Date.