diff --git a/include/mruby/gc.h b/include/mruby/gc.h
index 41aab98e6..076c34126 100644
--- a/include/mruby/gc.h
+++ b/include/mruby/gc.h
@@ -64,6 +64,12 @@ typedef struct mrb_gc {
   int arena_capa;                          /* size of protection array */
 #endif
   int arena_idx;
+
+#ifdef MRB_GC_STATS
+  uint32_t gc_total_count;                 /* total GC invocations */
+  uint32_t minor_gc_count;                 /* minor GC count */
+  uint32_t major_gc_count;                 /* major GC count */
+#endif
 } mrb_gc;
 
 MRB_API mrb_bool mrb_object_dead_p(mrb_state *mrb, struct RBasic *object);
diff --git a/src/gc.c b/src/gc.c
index 37bb04e06..619c7b0a0 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -1322,9 +1322,19 @@ mrb_incremental_gc(mrb_state *mrb)
   if (gc->disabled || gc->iterating) return;
 
   if (is_minor_gc(gc)) {
+#ifdef MRB_GC_STATS
+    gc->gc_total_count++;
+    gc->minor_gc_count++;
+#endif
     incremental_gc_finish(mrb, gc);
   }
   else {
+#ifdef MRB_GC_STATS
+    if (gc->state == MRB_GC_STATE_ROOT) {
+      gc->gc_total_count++;
+      gc->major_gc_count++;
+    }
+#endif
     incremental_gc_step(mrb, gc);
   }
 
@@ -1364,6 +1374,10 @@ mrb_full_gc(mrb_state *mrb)
   if (!mrb->c) return;
   if (gc->disabled || gc->iterating) return;
 
+#ifdef MRB_GC_STATS
+  gc->gc_total_count++;
+  gc->major_gc_count++;
+#endif
   if (is_generational(gc)) {
     /* clear all the old objects back to young */
     clear_all_old(mrb, gc);