diff --git a/src/RealTime/Core/RealTimeCore.cs b/src/RealTime/Core/RealTimeCore.cs
index f9d0395c5c69f2ed8277e94a92bc55cdb74d42e7..b4a207340fa9d5207ec0e25175b4189be4d932bb 100644
--- a/src/RealTime/Core/RealTimeCore.cs
+++ b/src/RealTime/Core/RealTimeCore.cs
@@ -187,7 +187,7 @@ namespace RealTime.Core
 
             if (appliedPatches.Contains(CitizenManagerPatch.CreateCitizenPatch1))
             {
-                CitizenManagerPatch.NewCitizenBehavior = new NewCitizenBehavior(randomizer);
+                CitizenManagerPatch.NewCitizenBehavior = new NewCitizenBehavior(randomizer, configProvider.Configuration);
             }
 
             if (appliedPatches.Contains(BuildingAIPatches.GetColor))
diff --git a/src/RealTime/CustomAI/INewCitizenBehavior.cs b/src/RealTime/CustomAI/INewCitizenBehavior.cs
index 637b96892e1b85f9c1dcdabe656a5798989996ed..ac12a4145f58fb762baf136986e16b2917eafd4e 100644
--- a/src/RealTime/CustomAI/INewCitizenBehavior.cs
+++ b/src/RealTime/CustomAI/INewCitizenBehavior.cs
@@ -14,9 +14,10 @@ namespace RealTime.CustomAI
         /// </summary>
         ///
         /// <param name="age">The citizen's age as raw value (0-255).</param>
+        /// <param name="currentEducation">The current value of the citizen's education.</param>
         ///
         /// <returns>The education level of the new citizen with the specified age.</returns>
-        Citizen.Education GetEducation(int age);
+        Citizen.Education GetEducation(int age, Citizen.Education currentEducation);
 
         /// <summary>
         /// Adjusts the age of the new citizen based on their current <paramref name="age"/>.
diff --git a/src/RealTime/CustomAI/NewCitizenBehavior.cs b/src/RealTime/CustomAI/NewCitizenBehavior.cs
index f84fd278dbfbc2a946d3796fe08eeeecdfc2b88a..d0979252f90e430cbb63be26230ebd2f31412e94 100644
--- a/src/RealTime/CustomAI/NewCitizenBehavior.cs
+++ b/src/RealTime/CustomAI/NewCitizenBehavior.cs
@@ -4,6 +4,8 @@
 
 namespace RealTime.CustomAI
 {
+    using System;
+    using RealTime.Config;
     using RealTime.Simulation;
 
     /// <summary>
@@ -12,23 +14,33 @@ namespace RealTime.CustomAI
     internal sealed class NewCitizenBehavior : INewCitizenBehavior
     {
         private readonly IRandomizer randomizer;
+        private readonly RealTimeConfig config;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="NewCitizenBehavior"/> class.
         /// </summary>
         /// <param name="randomizer">The randomizer to use for random decisions.</param>
-        public NewCitizenBehavior(IRandomizer randomizer)
+        /// <param name="config">The configuration to run with.</param>
+        /// <exception cref="ArgumentNullException">Thrown when any argument is null.</exception>
+        public NewCitizenBehavior(IRandomizer randomizer, RealTimeConfig config)
         {
-            this.randomizer = randomizer;
+            this.randomizer = randomizer ?? throw new ArgumentNullException(nameof(randomizer));
+            this.config = config ?? throw new ArgumentNullException(nameof(config));
         }
 
         /// <summary>
         /// Gets the education level of the new citizen based on their <paramref name="age" />.
         /// </summary>
         /// <param name="age">The citizen's age as raw value (0-255).</param>
+        /// <param name="currentEducation">The current value of the citizen's education.</param>
         /// <returns>The education level of the new citizen with the specified age.</returns>
-        public Citizen.Education GetEducation(int age)
+        public Citizen.Education GetEducation(int age, Citizen.Education currentEducation)
         {
+            if (!config.UseSlowAging)
+            {
+                return currentEducation;
+            }
+
             var randomValue = randomizer.GetRandomValue(100u);
 
             // Age:
@@ -118,7 +130,7 @@ namespace RealTime.CustomAI
             // 45-89   -> young
             // 90-179  -> adult
             // 180-255 -> senior
-            if (age <= 1)
+            if (!config.UseSlowAging || age <= 1)
             {
                 return age;
             }
diff --git a/src/RealTime/GameConnection/Patches/CitizenManagerPatch.cs b/src/RealTime/GameConnection/Patches/CitizenManagerPatch.cs
index e8d9a96e170930d517ffb05418b3e45dbc9f8dc0..93d87b174932be35640d08d64641001cf6ab32e8 100644
--- a/src/RealTime/GameConnection/Patches/CitizenManagerPatch.cs
+++ b/src/RealTime/GameConnection/Patches/CitizenManagerPatch.cs
@@ -34,7 +34,7 @@ namespace RealTime.GameConnection.Patches
         private static void UpdateCitizenEducation(uint citizenId)
         {
             ref var citizen = ref CitizenManager.instance.m_citizens.m_buffer[citizenId];
-            var newEducation = NewCitizenBehavior.GetEducation(citizen.Age);
+            var newEducation = NewCitizenBehavior.GetEducation(citizen.Age, citizen.EducationLevel);
             citizen.Education3 = newEducation == Citizen.Education.ThreeSchools;
             citizen.Education2 = newEducation == Citizen.Education.TwoSchools || newEducation == Citizen.Education.ThreeSchools;
             citizen.Education1 = newEducation != Citizen.Education.Uneducated;