Nagarjuna is not popular than Chiranjeevi. Chiranjeevi had more mass fan following than any other hero after NTR. Chiranjeevi was at peek of his career for many years. Let it be dance, fights or acting, no one was able to beat chiranjeevi for many years until he himself ruined that fame by making an entry in politics. If your questions was "Is Nagarjuna loved more than Chiranjeevi now?", they my answer would have been 'yes'.