diff --git a/python/ray/tune/trial_runner.py b/python/ray/tune/trial_runner.py
index 4f11d52267a0..93eaf106842c 100644
--- a/python/ray/tune/trial_runner.py
+++ b/python/ray/tune/trial_runner.py
@@ -305,6 +305,16 @@ def debug_string(self, max_debug=MAX_DEBUG_TRIALS):
 
         for local_dir in sorted({t.local_dir for t in self._trials}):
             messages.append("Result logdir: {}".format(local_dir))
+
+        num_trials_per_state = {
+            state: len(trials)
+            for state, trials in states.items()
+        }
+        total_number_of_trials = sum(num_trials_per_state.values())
+        messages.append("Number of trials: {} ({})"
+                        "".format(total_number_of_trials,
+                                  num_trials_per_state))
+
         for state, trials in sorted(states.items()):
             limit = limit_per_state[state]
             messages.append("{} trials:".format(state))