New parts of old systems, mostly. There are some huge COBOL application spaces out there, and quite often writing new modules for that with a more modern COBOL

New parts of old systems, mostly. There are some huge COBOL application spaces out there, and quite often writing new modules for that with a more modern COBOL mind- and featureset is still easier than writing it with a different technology and then taking the trouble of connecting that to the existing part using eg CORBA.