diff --git a/src/avalanche/peermanager.h b/src/avalanche/peermanager.h
--- a/src/avalanche/peermanager.h
+++ b/src/avalanche/peermanager.h
@@ -389,6 +389,7 @@
     size_t getConflictingProofCount() {
         return conflictingProofPool.countProofs();
     }
+    size_t getOrphanProofCount() { return orphanProofPool.countProofs(); }
 
     const ProofRadixTree &getShareableProofsSnapshot() const {
         return shareableProofs;
diff --git a/src/rpc/avalanche.cpp b/src/rpc/avalanche.cpp
--- a/src/rpc/avalanche.cpp
+++ b/src/rpc/avalanche.cpp
@@ -673,6 +673,9 @@
                      {RPCResult::Type::NUM, "conflicting_proof_count",
                       "The number of known avalanche proofs that conflict with "
                       "valid proofs."},
+                     {RPCResult::Type::NUM, "orphan_proof_count",
+                      "The number of known avalanche proofs that are "
+                      "orphaned."},
                      {RPCResult::Type::STR_AMOUNT, "total_stake_amount",
                       "The total staked amount over all the valid proofs in " +
                           Currency::get().ticker + "."},
@@ -755,6 +758,7 @@
                 network.pushKV("connected_proof_count", connectedProofCount);
                 network.pushKV("conflicting_proof_count",
                                pm.getConflictingProofCount());
+                network.pushKV("orphan_proof_count", pm.getOrphanProofCount());
                 network.pushKV("total_stake_amount", totalStakes);
                 network.pushKV("connected_stake_amount", connectedStakes);
 
diff --git a/test/functional/abc_rpc_getavalancheinfo.py b/test/functional/abc_rpc_getavalancheinfo.py
--- a/test/functional/abc_rpc_getavalancheinfo.py
+++ b/test/functional/abc_rpc_getavalancheinfo.py
@@ -28,7 +28,7 @@
             '-enableavalanche=1',
             '-enableavalancheproofreplacement=1',
             f'-avalancheconflictingproofcooldown={self.conflicting_proof_cooldown}',
-            '-avaproofstakeutxoconfirmations=1',
+            '-avaproofstakeutxoconfirmations=2',
             '-avacooldown=',
             '-avatimeout=100',
             '-enableavalanchepeerdiscovery=1',
@@ -42,6 +42,9 @@
         privkey, proof = gen_proof(node)
         is_legacy = isinstance(proof, LegacyAvalancheProof)
 
+        # Make the proof mature
+        node.generate(1)
+
         def handle_legacy_format(expected):
             # Add the payout address to the expected output if the legacy format
             # is diabled
@@ -66,6 +69,7 @@
                 "proof_count": 0,
                 "connected_proof_count": 0,
                 "conflicting_proof_count": 0,
+                "orphan_proof_count": 0,
                 "total_stake_amount": Decimal('0.00'),
                 "connected_stake_amount": Decimal('0.00'),
                 "node_count": 0,
@@ -94,6 +98,7 @@
                 "proof_count": 0,
                 "connected_proof_count": 0,
                 "conflicting_proof_count": 0,
+                "orphan_proof_count": 0,
                 "total_stake_amount": Decimal('0.00'),
                 "connected_stake_amount": Decimal('0.00'),
                 "node_count": 0,
@@ -118,6 +123,7 @@
                     "proof_count": 0,
                     "connected_proof_count": 0,
                     "conflicting_proof_count": 0,
+                    "orphan_proof_count": 0,
                     "total_stake_amount": Decimal('0.00'),
                     "connected_stake_amount": Decimal('0.00'),
                     "node_count": 0,
@@ -142,6 +148,9 @@
             conflicting_proof = node.buildavalancheproof(
                 10, 9999, bytes_to_wif(_privkey.get_bytes()), stakes)
 
+            # Make the proof and its conflicting proof mature
+            node.generate(1)
+
             n = get_ava_p2p_interface(node)
             success = node.addavalanchenode(
                 n.nodeid, _privkey.get_pubkey().get_bytes().hex(), _proof.serialize().hex())
@@ -151,6 +160,10 @@
             node.setmocktime(mock_time)
             n.send_avaproof(avalanche_proof_from_hex(conflicting_proof))
 
+        # Generate an orphan (immature) proof
+        _, orphan_proof = gen_proof(node)
+        n.send_avaproof(orphan_proof)
+
         self.wait_until(
             lambda: node.getavalancheinfo() == handle_legacy_format({
                 "active": True,
@@ -165,6 +178,7 @@
                     "proof_count": N,
                     "connected_proof_count": N,
                     "conflicting_proof_count": N,
+                    "orphan_proof_count": 1,
                     "total_stake_amount": coinbase_amount * N,
                     "connected_stake_amount": coinbase_amount * N,
                     "node_count": N,
@@ -196,6 +210,7 @@
                     "proof_count": N,
                     "connected_proof_count": N - D,
                     "conflicting_proof_count": N,
+                    "orphan_proof_count": 1,
                     "total_stake_amount": coinbase_amount * N,
                     "connected_stake_amount": coinbase_amount * (N - D),
                     "node_count": N - D,
@@ -215,6 +230,9 @@
 
             _privkey, _proof = gen_proof(node)
 
+            # Make the proof mature
+            node.generate(1)
+
             delegation = node.delegateavalancheproof(
                 f"{_proof.limited_proofid:0{64}x}",
                 bytes_to_wif(_privkey.get_bytes()),
@@ -238,10 +256,12 @@
                 "stake_amount": coinbase_amount,
             },
             "network": {
-                "proof_count": N,
+                # Orphan became mature
+                "proof_count": N + 1,
                 "connected_proof_count": N - D,
                 "conflicting_proof_count": N,
-                "total_stake_amount": coinbase_amount * N,
+                "orphan_proof_count": 0,
+                "total_stake_amount": coinbase_amount * (N + 1),
                 "connected_stake_amount": coinbase_amount * (N - D),
                 "node_count": N - D + P,
                 "connected_node_count": N - D,
@@ -265,10 +285,11 @@
                 "stake_amount": coinbase_amount,
             },
             "network": {
-                "proof_count": N,
+                "proof_count": N + 1,
                 "connected_proof_count": 0,
                 "conflicting_proof_count": N,
-                "total_stake_amount": coinbase_amount * N,
+                "orphan_proof_count": 0,
+                "total_stake_amount": coinbase_amount * (N + 1),
                 "connected_stake_amount": 0,
                 "node_count": 0,
                 "connected_node_count": 0,