diff --git a/Backend.Tests/Controllers/StatisticsControllerTests.cs b/Backend.Tests/Controllers/StatisticsControllerTests.cs
new file mode 100644
index 0000000000..2cb3cd2ac1
--- /dev/null
+++ b/Backend.Tests/Controllers/StatisticsControllerTests.cs
@@ -0,0 +1,172 @@
+using System;
+using System.Threading.Tasks;
+using Backend.Tests.Mocks;
+using BackendFramework.Controllers;
+using BackendFramework.Interfaces;
+using BackendFramework.Models;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using NUnit.Framework;
+
+namespace Backend.Tests.Controllers
+{
+    public class StatisticsControllerTests : IDisposable
+    {
+        private IProjectRepository _projRepo = null!;
+        private IUserRepository _userRepo = null!;
+        private IPermissionService _permService = null!;
+        private StatisticsController _statsController = null!;
+
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                _statsController?.Dispose();
+            }
+        }
+
+        private User _jwtAuthenticatedUser = null!;
+        private string _projId = null!;
+        private const string MissingId = "MISSING_ID";
+
+        [SetUp]
+        public async Task Setup()
+        {
+            _projRepo = new ProjectRepositoryMock();
+            _userRepo = new UserRepositoryMock();
+            _permService = new PermissionServiceMock(_userRepo);
+            _statsController = new StatisticsController(new StatisticsServiceMock(), _permService, _projRepo)
+            {
+                // Mock the Http Context because this isn't an actual call controller
+                ControllerContext = new ControllerContext { HttpContext = new DefaultHttpContext() }
+            };
+
+            _jwtAuthenticatedUser = new User { Username = "user", Password = "pass" };
+            await _userRepo.Create(_jwtAuthenticatedUser);
+            _jwtAuthenticatedUser = await _permService.Authenticate(_jwtAuthenticatedUser.Username,
+                _jwtAuthenticatedUser.Password) ?? throw new UserAuthenticationException();
+            _projId = (await _projRepo.Create(new Project { Name = "StatisticsControllerTests" }))!.Id;
+        }
+
+        [Test]
+        public async Task TestGetSemanticDomainCountsNoPermission()
+        {
+            _statsController.ControllerContext.HttpContext = PermissionServiceMock.UnauthorizedHttpContext();
+
+            var result = await _statsController.GetSemanticDomainCounts(_projId, "en");
+            Assert.That(result, Is.InstanceOf<ForbidResult>());
+        }
+
+        [Test]
+        public async Task TestGetSemanticDomainCountsMissingProject()
+        {
+            var result = await _statsController.GetSemanticDomainCounts(MissingId, "en");
+            Assert.That(result, Is.InstanceOf<NotFoundObjectResult>());
+        }
+
+        [Test]
+        public async Task TestGetSemanticDomainCounts()
+        {
+            var result = await _statsController.GetSemanticDomainCounts(_projId, "en");
+            Assert.That(result, Is.InstanceOf<OkObjectResult>());
+        }
+
+        [Test]
+        public async Task TestGetWordsPerDayPerUserCountsNoPermission()
+        {
+            _statsController.ControllerContext.HttpContext = PermissionServiceMock.UnauthorizedHttpContext();
+
+            var result = await _statsController.GetWordsPerDayPerUserCounts(_projId);
+            Assert.That(result, Is.InstanceOf<ForbidResult>());
+        }
+
+        [Test]
+        public async Task TestGetWordsPerDayPerUserCountsMissingProject()
+        {
+            var result = await _statsController.GetWordsPerDayPerUserCounts(MissingId);
+            Assert.That(result, Is.InstanceOf<NotFoundObjectResult>());
+        }
+
+        [Test]
+        public async Task TestGetWordsPerDayPerUserCounts()
+        {
+            var result = await _statsController.GetWordsPerDayPerUserCounts(_projId);
+            Assert.That(result, Is.InstanceOf<OkObjectResult>());
+        }
+
+        [Test]
+        public async Task TestGetProgressEstimationLineChartRootNoPermission()
+        {
+            _statsController.ControllerContext.HttpContext = PermissionServiceMock.UnauthorizedHttpContext();
+
+            var result = await _statsController.GetProgressEstimationLineChartRoot(_projId);
+            Assert.That(result, Is.InstanceOf<ForbidResult>());
+        }
+
+        [Test]
+        public async Task TestGetProgressEstimationLineChartRootMissingProject()
+        {
+            var result = await _statsController.GetProgressEstimationLineChartRoot(MissingId);
+            Assert.That(result, Is.InstanceOf<NotFoundObjectResult>());
+        }
+
+        [Test]
+        public async Task TestGetProgressEstimationLineChartRoot()
+        {
+            var result = await _statsController.GetProgressEstimationLineChartRoot(_projId);
+            Assert.That(result, Is.InstanceOf<OkObjectResult>());
+        }
+
+        [Test]
+        public async Task TestGetLineChartRootDataNoPermission()
+        {
+            _statsController.ControllerContext.HttpContext = PermissionServiceMock.UnauthorizedHttpContext();
+
+            var result = await _statsController.GetLineChartRootData(_projId);
+            Assert.That(result, Is.InstanceOf<ForbidResult>());
+        }
+
+        [Test]
+        public async Task TestGetLineChartRootDataMissingProject()
+        {
+            var result = await _statsController.GetLineChartRootData(MissingId);
+            Assert.That(result, Is.InstanceOf<NotFoundObjectResult>());
+        }
+
+        [Test]
+        public async Task TestGetLineChartRootData()
+        {
+            var result = await _statsController.GetLineChartRootData(_projId);
+            Assert.That(result, Is.InstanceOf<OkObjectResult>());
+        }
+
+        [Test]
+        public async Task TestGetSemanticDomainUserCountsNoPermission()
+        {
+            _statsController.ControllerContext.HttpContext = PermissionServiceMock.UnauthorizedHttpContext();
+
+            var result = await _statsController.GetSemanticDomainUserCounts(_projId, "en");
+            Assert.That(result, Is.InstanceOf<ForbidResult>());
+        }
+
+        [Test]
+        public async Task TestGetSemanticDomainUserCountsMissingProject()
+        {
+            var result = await _statsController.GetSemanticDomainUserCounts(MissingId, "en");
+            Assert.That(result, Is.InstanceOf<NotFoundObjectResult>());
+        }
+
+        [Test]
+        public async Task TestGetSemanticDomainUserCounts()
+        {
+            var result = await _statsController.GetSemanticDomainUserCounts(_projId, "en");
+            Assert.That(result, Is.InstanceOf<OkObjectResult>());
+        }
+    }
+}
diff --git a/Backend.Tests/Mocks/StatisticsServiceMock.cs b/Backend.Tests/Mocks/StatisticsServiceMock.cs
new file mode 100644
index 0000000000..8a0a3062f2
--- /dev/null
+++ b/Backend.Tests/Mocks/StatisticsServiceMock.cs
@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using BackendFramework.Interfaces;
+using BackendFramework.Models;
+
+namespace Backend.Tests.Mocks
+{
+    internal class StatisticsServiceMock : IStatisticsService
+    {
+        public Task<List<SemanticDomainCount>> GetSemanticDomainCounts(string projectId, string lang)
+        {
+            return Task.FromResult(new List<SemanticDomainCount>());
+        }
+        public Task<List<WordsPerDayPerUserCount>> GetWordsPerDayPerUserCounts(string projectId)
+        {
+            return Task.FromResult(new List<WordsPerDayPerUserCount>());
+        }
+        public Task<ChartRootData> GetProgressEstimationLineChartRoot(string projectId, List<DateTime> schedule)
+        {
+            return Task.FromResult(new ChartRootData());
+        }
+        public Task<ChartRootData> GetLineChartRootData(string projectId)
+        {
+            return Task.FromResult(new ChartRootData());
+        }
+        public Task<List<SemanticDomainUserCount>> GetSemanticDomainUserCounts(string projectId)
+        {
+            return Task.FromResult(new List<SemanticDomainUserCount>());
+        }
+    }
+}