diff --git a/rust-code-analysis-cli/src/web/server.rs b/rust-code-analysis-cli/src/web/server.rs
index 70a244f10..caacad52d 100644
--- a/rust-code-analysis-cli/src/web/server.rs
+++ b/rust-code-analysis-cli/src/web/server.rs
@@ -632,7 +632,7 @@ mod tests {
                        "start_line": 1,
                        "end_line": 4,
                        "metrics": {"cyclomatic": {"sum": 2.0, "average": 1.0},
-                                   "cognitive": 0.0,
+                                   "cognitive": {"sum": 0.0, "average": 0.0},
                                    "nargs": 0.,
                                    "nexits": 0.,
                                    "halstead": {"bugs": 0.000_942_552_557_372_941_4,
@@ -659,7 +659,7 @@ mod tests {
                                    "start_line": 3,
                                    "end_line": 4,
                                    "metrics": {"cyclomatic": {"sum": 1.0, "average": 1.0},
-                                               "cognitive": 0.0,
+                                               "cognitive": {"sum": 0.0, "average": 0.0},
                                                "nargs": 0.,
                                                "nexits": 0.,
                                                "halstead": {"bugs": 0.000_942_552_557_372_941_4,
@@ -712,7 +712,7 @@ mod tests {
                        "start_line": 1,
                        "end_line": 2,
                        "metrics": {"cyclomatic": {"sum": 2.0, "average": 1.0},
-                                   "cognitive": 0.0,
+                                   "cognitive": {"sum": 0.0, "average": 0.0},
                                    "nargs": 0.,
                                    "nexits": 0.,
                                    "halstead": {"bugs": 0.000_942_552_557_372_941_4,
@@ -761,7 +761,7 @@ mod tests {
                        "start_line": 1,
                        "end_line": 2,
                        "metrics": {"cyclomatic": {"sum": 2.0, "average": 1.0},
-                                   "cognitive": 0.0,
+                                   "cognitive": {"sum": 0.0, "average": 0.0},
                                    "nargs": 0.,
                                    "nexits": 0.,
                                    "halstead": {"bugs": 0.000_942_552_557_372_941_4,
@@ -788,7 +788,7 @@ mod tests {
                                    "start_line": 1,
                                    "end_line": 2,
                                    "metrics": {"cyclomatic": {"sum": 1.0, "average": 1.0},
-                                               "cognitive": 0.0,
+                                               "cognitive": {"sum": 0.0, "average": 0.0},
                                                "nargs": 0.,
                                                "nexits": 0.,
                                                "halstead": {"bugs": 0.000_942_552_557_372_941_4,
diff --git a/src/metrics/cognitive.rs b/src/metrics/cognitive.rs
index d648933c2..ac42b8062 100644
--- a/src/metrics/cognitive.rs
+++ b/src/metrics/cognitive.rs
@@ -1,4 +1,4 @@
-use serde::ser::Serializer;
+use serde::ser::{SerializeStruct, Serializer};
 use serde::Serialize;
 use std::fmt;
 
@@ -19,6 +19,7 @@ use crate::*;
 pub struct Stats {
     structural: usize,
     nesting: usize,
+    total_space_functions: usize,
     boolean_seq: BoolSequence,
 }
 
@@ -27,6 +28,7 @@ impl Default for Stats {
         Self {
             structural: 0,
             nesting: 0,
+            total_space_functions: 1,
             boolean_seq: BoolSequence::default(),
         }
     }
@@ -37,13 +39,21 @@ impl Serialize for Stats {
     where
         S: Serializer,
     {
-        serializer.serialize_f64(self.cognitive())
+        let mut st = serializer.serialize_struct("cognitive", 2)?;
+        st.serialize_field("sum", &self.cognitive())?;
+        st.serialize_field("average", &self.cognitive_average())?;
+        st.end()
     }
 }
 
 impl fmt::Display for Stats {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "{}", self.cognitive())
+        write!(
+            f,
+            "sum: {}, average: {}",
+            self.cognitive(),
+            self.cognitive_average()
+        )
     }
 }
 
@@ -57,6 +67,18 @@ impl Stats {
     pub fn cognitive(&self) -> f64 {
         self.structural as f64
     }
+
+    /// Returns the `Cognitive Complexity` metric average value
+    ///
+    /// This value is computed dividing the `Cognitive Complexity` value
+    /// for the total number of functions/closures in a space.
+    pub fn cognitive_average(&self) -> f64 {
+        self.cognitive() / self.total_space_functions as f64
+    }
+
+    pub(crate) fn finalize(&mut self, total_space_functions: usize) {
+        self.total_space_functions = total_space_functions;
+    }
 }
 
 #[doc(hidden)]
@@ -405,7 +427,7 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 4, usize)]
+            [(cognitive, 4, usize), (cognitive_average, 4.0)]
         );
 
         check_metrics!(
@@ -420,7 +442,7 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 4, usize)]
+            [(cognitive, 4, usize), (cognitive_average, 4.0)]
         );
 
         check_metrics!(
@@ -435,7 +457,7 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 4, usize)]
+            [(cognitive, 4, usize), (cognitive_average, 4.0)]
         );
 
         check_metrics!(
@@ -450,7 +472,7 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 4, usize)]
+            [(cognitive, 4, usize), (cognitive_average, 4.0)]
         );
     }
 
@@ -463,7 +485,7 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 2, usize)]
+            [(cognitive, 2, usize), (cognitive_average, 2.0)]
         );
 
         check_metrics!(
@@ -475,7 +497,7 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 2, usize)]
+            [(cognitive, 2, usize), (cognitive_average, 2.0)]
         );
 
         check_metrics!(
@@ -487,7 +509,7 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 2, usize)]
+            [(cognitive, 2, usize), (cognitive_average, 2.0)]
         );
 
         check_metrics!(
@@ -499,7 +521,7 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 2, usize)]
+            [(cognitive, 2, usize), (cognitive_average, 2.0)]
         );
 
         check_metrics!(
@@ -511,7 +533,7 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 2, usize)]
+            [(cognitive, 2, usize), (cognitive_average, 2.0)]
         );
 
         check_metrics!(
@@ -523,7 +545,7 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 2, usize)]
+            [(cognitive, 2, usize), (cognitive_average, 2.0)]
         );
 
         check_metrics!(
@@ -535,7 +557,7 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 2, usize)]
+            [(cognitive, 2, usize), (cognitive_average, 2.0)]
         );
     }
 
@@ -550,7 +572,7 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 2, usize)]
+            [(cognitive, 2, usize), (cognitive_average, 2.0)]
         );
 
         check_metrics!(
@@ -562,7 +584,7 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 3, usize)]
+            [(cognitive, 3, usize), (cognitive_average, 3.0)]
         );
 
         check_metrics!(
@@ -574,7 +596,7 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 3, usize)]
+            [(cognitive, 3, usize), (cognitive_average, 3.0)]
         );
 
         check_metrics!(
@@ -586,7 +608,7 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 3, usize)]
+            [(cognitive, 3, usize), (cognitive_average, 3.0)]
         );
 
         check_metrics!(
@@ -598,7 +620,7 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 4, usize)]
+            [(cognitive, 4, usize), (cognitive_average, 4.0)]
         );
 
         check_metrics!(
@@ -610,7 +632,7 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 4, usize)]
+            [(cognitive, 4, usize), (cognitive_average, 4.0)]
         );
 
         check_metrics!(
@@ -622,7 +644,7 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 4, usize)]
+            [(cognitive, 4, usize), (cognitive_average, 4.0)]
         );
     }
 
@@ -635,7 +657,7 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 3, usize)]
+            [(cognitive, 3, usize), (cognitive_average, 3.0)]
         );
 
         check_metrics!(
@@ -647,7 +669,7 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 3, usize)]
+            [(cognitive, 3, usize), (cognitive_average, 3.0)]
         );
 
         check_metrics!(
@@ -659,7 +681,7 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 3, usize)]
+            [(cognitive, 3, usize), (cognitive_average, 3.0)]
         );
 
         check_metrics!(
@@ -671,7 +693,7 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 3, usize)]
+            [(cognitive, 3, usize), (cognitive_average, 3.0)]
         );
     }
 
@@ -687,7 +709,7 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 3, usize)]
+            [(cognitive, 3, usize), (cognitive_average, 3.0)]
         );
     }
 
@@ -701,7 +723,7 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 3, usize)]
+            [(cognitive, 3, usize), (cognitive_average, 3.0)]
         );
 
         check_metrics!(
@@ -723,7 +745,7 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 11, usize)]
+            [(cognitive, 11, usize), (cognitive_average, 11.0)]
         );
 
         check_metrics!(
@@ -745,7 +767,7 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 11, usize)]
+            [(cognitive, 11, usize), (cognitive_average, 11.0)]
         );
 
         check_metrics!(
@@ -767,7 +789,7 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 11, usize)]
+            [(cognitive, 11, usize), (cognitive_average, 11.0)]
         );
 
         check_metrics!(
@@ -782,7 +804,7 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 3, usize)]
+            [(cognitive, 3, usize), (cognitive_average, 3.0)]
         );
     }
 
@@ -797,7 +819,7 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 6, usize)]
+            [(cognitive, 6, usize), (cognitive_average, 6.0)]
         );
 
         check_metrics!(
@@ -814,7 +836,7 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 6, usize)]
+            [(cognitive, 6, usize), (cognitive_average, 6.0)]
         );
     }
 
@@ -831,11 +853,11 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 4, usize)]
+            [(cognitive, 4, usize), (cognitive_average, 4.0)]
         );
 
         check_metrics!(
-            "asyncOnChannelRedirect(oldChannel, newChannel, flags, callback) {
+            "function asyncOnChannelRedirect(oldChannel, newChannel, flags, callback) {
                  for (const collector of this.collectors) {
                      try {
                          collector._onChannelRedirect(oldChannel, newChannel, flags);
@@ -851,7 +873,7 @@ mod tests {
             "foo.js",
             JavascriptParser,
             cognitive,
-            [(cognitive, 3, usize)]
+            [(cognitive, 3, usize), (cognitive_average, 3.0)]
         );
     }
 
@@ -877,7 +899,7 @@ mod tests {
             "foo.rs",
             RustParser,
             cognitive,
-            [(cognitive, 11, usize)]
+            [(cognitive, 11, usize), (cognitive_average, 11.0)]
         );
     }
 
@@ -896,7 +918,7 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 7, usize)]
+            [(cognitive, 7, usize), (cognitive_average, 7.0)]
         );
     }
 
@@ -922,7 +944,7 @@ mod tests {
             "foo.c",
             CppParser,
             cognitive,
-            [(cognitive, 1, usize)]
+            [(cognitive, 1, usize), (cognitive_average, 1.0)]
         );
 
         check_metrics!(
@@ -945,7 +967,7 @@ mod tests {
             "foo.js",
             MozjsParser,
             cognitive,
-            [(cognitive, 1, usize)]
+            [(cognitive, 1, usize), (cognitive_average, 1.0)]
         );
     }
 
@@ -959,7 +981,7 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 4, usize)]
+            [(cognitive, 4, usize), (cognitive_average, 4.0)]
         );
     }
 
@@ -976,7 +998,8 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 5, usize)]
+            // 2 functions + 2 lamdas = 4
+            [(cognitive, 5, usize), (cognitive_average, 1.25)]
         );
     }
 
@@ -1000,7 +1023,7 @@ mod tests {
             "foo.py",
             PythonParser,
             cognitive,
-            [(cognitive, 9, usize)]
+            [(cognitive, 9, usize), (cognitive_average, 9.0)]
         );
     }
 }
diff --git a/src/spaces.rs b/src/spaces.rs
index d92b34c8c..50ea009b9 100644
--- a/src/spaces.rs
+++ b/src/spaces.rs
@@ -179,6 +179,15 @@ fn compute_halstead_and_mi<'a, T: ParserTrait>(state: &mut State<'a>) {
     );
 }
 
+#[inline(always)]
+fn compute_average<'a>(state: &mut State<'a>) {
+    state
+        .space
+        .metrics
+        .cognitive
+        .finalize(state.space.metrics.nom.total() as usize);
+}
+
 fn finalize<'a, T: ParserTrait>(state_stack: &mut Vec<State<'a>>, diff_level: usize) {
     if state_stack.is_empty() {
         return;
@@ -187,10 +196,12 @@ fn finalize<'a, T: ParserTrait>(state_stack: &mut Vec<State<'a>>, diff_level: us
         if state_stack.len() == 1 {
             let mut last_state = state_stack.last_mut().unwrap();
             compute_halstead_and_mi::<T>(&mut last_state);
+            compute_average(&mut last_state);
             break;
         } else {
             let mut state = state_stack.pop().unwrap();
             compute_halstead_and_mi::<T>(&mut state);
+            compute_average(&mut state);
 
             let mut last_state = state_stack.last_mut().unwrap();
             last_state.halstead_maps.merge(&state.halstead_maps);