diff --git a/app/Http/Controllers/V2/Nurseries/AdminIndexNurseriesController.php b/app/Http/Controllers/V2/Nurseries/AdminIndexNurseriesController.php
index 05a6167b9..bdd340248 100644
--- a/app/Http/Controllers/V2/Nurseries/AdminIndexNurseriesController.php
+++ b/app/Http/Controllers/V2/Nurseries/AdminIndexNurseriesController.php
@@ -29,7 +29,7 @@ public function __invoke(Request $request): NurseriesCollection
                 AllowedFilter::scope('country'),
                 AllowedFilter::scope('organisation_uuid', 'organisationUuid'),
                 AllowedFilter::scope('project_uuid', 'projectUuid'),
-                AllowedFilter::exact('framework', 'framework_key'),
+                AllowedFilter::exact('framework_key'),
                 AllowedFilter::exact('status'),
                 AllowedFilter::exact('update_request_status'),
             ]);
diff --git a/app/Models/V2/Projects/Project.php b/app/Models/V2/Projects/Project.php
index 393e2aa7a..c1d76cb03 100644
--- a/app/Models/V2/Projects/Project.php
+++ b/app/Models/V2/Projects/Project.php
@@ -25,6 +25,8 @@
 use App\Models\V2\Sites\SiteReport;
 use App\Models\V2\Tasks\Task;
 use App\Models\V2\TreeSpecies\TreeSpecies;
+use App\Models\V2\Workdays\Workday;
+use App\Models\V2\Workdays\WorkdayDemographic;
 use App\StateMachines\EntityStatusStateMachine;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
@@ -34,7 +36,6 @@
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\Relations\HasManyThrough;
 use Illuminate\Database\Eloquent\SoftDeletes;
-use Illuminate\Support\Facades\DB;
 use Laravel\Scout\Searchable;
 use OwenIt\Auditing\Auditable;
 use OwenIt\Auditing\Contracts\Auditable as AuditableContract;
@@ -358,16 +359,17 @@ public function getRegeneratedTreesCountAttribute(): int
 
     public function getWorkdayCountAttribute(): int
     {
-        $sumQueries = [
-            DB::raw('sum(`workdays_paid`) as paid'),
-            DB::raw('sum(`workdays_volunteer`) as volunteer'),
-        ];
-        $projectTotals = $this->reports()->hasBeenSubmitted()->get($sumQueries)->first();
-        // The groupBy is superfluous, but required because Laravel adds "v2_sites.project_id as laravel_through_key" to
-        // the SQL select.
-        $siteTotals = $this->submittedSiteReports()->groupBy('v2_sites.project_id')->get($sumQueries)->first();
-
-        return $projectTotals?->paid + $projectTotals?->volunteer + $siteTotals?->paid + $siteTotals?->volunteer;
+        return WorkdayDemographic::whereIn(
+            'workday_id',
+            Workday::where('workdayable_type', SiteReport::class)
+                ->whereIn('workdayable_id', $this->submittedSiteReports()->select('v2_site_reports.id'))
+                ->select('id')
+        )->orWhereIn(
+            'workday_id',
+            Workday::where('workdayable_type', ProjectReport::class)
+                ->whereIn('workdayable_id', $this->reports()->hasBeenSubmitted()->select('id'))
+                ->select('id')
+        )->gender()->sum('amount') ?? 0;
     }
 
     public function getTotalJobsCreatedAttribute(): int
diff --git a/app/Models/V2/Sites/Site.php b/app/Models/V2/Sites/Site.php
index a98a8b84e..d3dda28d5 100644
--- a/app/Models/V2/Sites/Site.php
+++ b/app/Models/V2/Sites/Site.php
@@ -20,6 +20,8 @@
 use App\Models\V2\Seeding;
 use App\Models\V2\Stratas\Strata;
 use App\Models\V2\TreeSpecies\TreeSpecies;
+use App\Models\V2\Workdays\Workday;
+use App\Models\V2\Workdays\WorkdayDemographic;
 use App\StateMachines\ReportStatusStateMachine;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
@@ -29,7 +31,6 @@
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\Relations\MorphMany;
 use Illuminate\Database\Eloquent\SoftDeletes;
-use Illuminate\Support\Facades\DB;
 use Laravel\Scout\Searchable;
 use OwenIt\Auditing\Auditable;
 use OwenIt\Auditing\Contracts\Auditable as AuditableContract;
@@ -302,12 +303,12 @@ public function getRegeneratedTreesCountAttribute(): int
 
     public function getWorkdayCountAttribute(): int
     {
-        $totals = $this->reports()->hasBeenSubmitted()->get([
-            DB::raw('sum(`workdays_volunteer`) as volunteer'),
-            DB::raw('sum(`workdays_paid`) as paid'),
-        ])->first();
-
-        return $totals?->paid + $totals?->volunteer;
+        return WorkdayDemographic::whereIn(
+            'workday_id',
+            Workday::where('workdayable_type', SiteReport::class)
+                ->whereIn('workdayable_id', $this->reports()->hasBeenSubmitted()->select('id'))
+                ->select('id')
+        )->gender()->sum('amount') ?? 0;
     }
 
     public function getFrameworkUuidAttribute(): ?string
diff --git a/database/factories/V2/Workdays/WorkdayFactory.php b/database/factories/V2/Workdays/WorkdayFactory.php
index e6a19f119..ce4669559 100644
--- a/database/factories/V2/Workdays/WorkdayFactory.php
+++ b/database/factories/V2/Workdays/WorkdayFactory.php
@@ -2,6 +2,7 @@
 
 namespace Database\Factories\V2\Workdays;
 
+use App\Models\V2\Projects\ProjectReport;
 use App\Models\V2\Sites\SiteReport;
 use App\Models\V2\Workdays\Workday;
 use Illuminate\Database\Eloquent\Factories\Factory;
@@ -22,4 +23,15 @@ public function definition()
             'collection' => $this->faker->randomElement(array_keys(Workday::SITE_COLLECTIONS)),
         ];
     }
+
+    public function projectReport(): Factory
+    {
+        return $this->state(function (array $attributes) {
+            return [
+                'workdayable_type' => ProjectReport::class,
+                'workdayable_id' => ProjectReport::factory()->create(),
+                'collection' => $this->faker->randomElement(array_keys(Workday::PROJECT_COLLECTION)),
+            ];
+        });
+    }
 }
diff --git a/tests/Unit/Models/V2/Projects/ProjectTest.php b/tests/Unit/Models/V2/Projects/ProjectTest.php
index 27a3a1455..249157afc 100644
--- a/tests/Unit/Models/V2/Projects/ProjectTest.php
+++ b/tests/Unit/Models/V2/Projects/ProjectTest.php
@@ -7,6 +7,10 @@
 use App\Models\V2\Projects\ProjectMonitoring;
 use App\Models\V2\Projects\ProjectReport;
 use App\Models\V2\Sites\Site;
+use App\Models\V2\Sites\SiteReport;
+use App\Models\V2\Workdays\Workday;
+use App\Models\V2\Workdays\WorkdayDemographic;
+use App\StateMachines\EntityStatusStateMachine;
 use Tests\TestCase;
 
 class ProjectTest extends TestCase
@@ -107,6 +111,46 @@ public function test_it_deletes_its_own_project_monitorings(string $permission,
         }
     }
 
+    public function test_workday_count()
+    {
+        $project = Project::factory()->ppc()->create();
+
+        // The amounts are all prime so that it's easy to tell what got counted and what didn't when there's an error
+
+        // Unapproved site (doesn't count toward workday count)
+        $site = Site::factory()->ppc()->create(['project_id' => $project->id, 'status' => EntityStatusStateMachine::AWAITING_APPROVAL]);
+        $report = SiteReport::factory()->ppc()->create(['site_id' => $site->id, 'status' => EntityStatusStateMachine::APPROVED]);
+        $workday = Workday::factory()->create(['workdayable_id' => $report->id]);
+        WorkdayDemographic::factory()->create(['workday_id' => $workday->id, 'amount' => 3]);
+
+        // Approved site
+        $site = Site::factory()->ppc()->create(['project_id' => $project->id, 'status' => EntityStatusStateMachine::APPROVED]);
+        $report = SiteReport::factory()->ppc()->create(['site_id' => $site->id, 'status' => EntityStatusStateMachine::APPROVED]);
+        $workday = Workday::factory()->create(['workdayable_id' => $report->id]);
+        WorkdayDemographic::factory()->create(['workday_id' => $workday->id, 'amount' => 5]);
+        $report = SiteReport::factory()->ppc()->create(['site_id' => $site->id, 'status' => EntityStatusStateMachine::AWAITING_APPROVAL]);
+        $workday = Workday::factory()->create(['workdayable_id' => $report->id]);
+        WorkdayDemographic::factory()->create(['workday_id' => $workday->id, 'amount' => 7]);
+        // Unsubmitted report (doesn't count toward workday count)
+        $report = SiteReport::factory()->ppc()->create(['site_id' => $site->id, 'status' => EntityStatusStateMachine::STARTED]);
+        $workday = Workday::factory()->create(['workdayable_id' => $report->id]);
+        WorkdayDemographic::factory()->create(['workday_id' => $workday->id, 'amount' => 11]);
+
+        $report = ProjectReport::factory()->ppc()->create(['project_id' => $project->id, 'status' => EntityStatusStateMachine::APPROVED]);
+        $workday = Workday::factory()->projectReport()->create(['workdayable_id' => $report->id]);
+        WorkdayDemographic::factory()->create(['workday_id' => $workday->id, 'amount' => 13]);
+        $report = ProjectReport::factory()->ppc()->create(['project_id' => $project->id, 'status' => EntityStatusStateMachine::AWAITING_APPROVAL]);
+        $workday = Workday::factory()->projectReport()->create(['workdayable_id' => $report->id]);
+        WorkdayDemographic::factory()->create(['workday_id' => $workday->id, 'amount' => 17]);
+        // Unsubmitted report (doesn't count toward workday count)
+        $report = ProjectReport::factory()->ppc()->create(['project_id' => $project->id, 'status' => EntityStatusStateMachine::STARTED]);
+        $workday = Workday::factory()->projectReport()->create(['workdayable_id' => $report->id]);
+        WorkdayDemographic::factory()->create(['workday_id' => $workday->id, 'amount' => 19]);
+
+        // 42 = 5 and 7 from the approved site's reports and 13 and 17 from the project reports
+        $this->assertEquals(42, $project->workday_count);
+    }
+
     public static function permissionsDataProvider()
     {
         return [
diff --git a/tests/Unit/Models/V2/Sites/SiteTest.php b/tests/Unit/Models/V2/Sites/SiteTest.php
index afd58959a..ca9d25c90 100644
--- a/tests/Unit/Models/V2/Sites/SiteTest.php
+++ b/tests/Unit/Models/V2/Sites/SiteTest.php
@@ -5,6 +5,9 @@
 use App\Models\V2\Sites\Site;
 use App\Models\V2\Sites\SiteMonitoring;
 use App\Models\V2\Sites\SiteReport;
+use App\Models\V2\Workdays\Workday;
+use App\Models\V2\Workdays\WorkdayDemographic;
+use App\StateMachines\EntityStatusStateMachine;
 use Tests\TestCase;
 
 class SiteTest extends TestCase
@@ -57,6 +60,26 @@ public function test_it_deletes_its_own_site_monitorings(string $permission, str
         }
     }
 
+    public function test_workday_count()
+    {
+        $site = Site::factory()->ppc()->create();
+
+        $report = SiteReport::factory()->ppc()->create(['site_id' => $site->id, 'status' => EntityStatusStateMachine::APPROVED]);
+        $workday = Workday::factory()->create(['workdayable_id' => $report->id]);
+        WorkdayDemographic::factory()->create(['workday_id' => $workday->id, 'amount' => 3]);
+
+        $report = SiteReport::factory()->ppc()->create(['site_id' => $site->id, 'status' => EntityStatusStateMachine::AWAITING_APPROVAL]);
+        $workday = Workday::factory()->create(['workdayable_id' => $report->id]);
+        WorkdayDemographic::factory()->create(['workday_id' => $workday->id, 'amount' => 5]);
+
+        // Unsubmitted report (doesn't count toward workday count)
+        $report = SiteReport::factory()->ppc()->create(['site_id' => $site->id, 'status' => EntityStatusStateMachine::STARTED]);
+        $workday = Workday::factory()->create(['workdayable_id' => $report->id]);
+        WorkdayDemographic::factory()->create(['workday_id' => $workday->id, 'amount' => 7]);
+
+        $this->assertEquals(8, $site->workday_count);
+    }
+
     public static function permissionsDataProvider()
     {
         return [
diff --git a/tests/V2/Nurseries/AdminIndexNurseriesControllerTest.php b/tests/V2/Nurseries/AdminIndexNurseriesControllerTest.php
index b24bf9f5d..86f76aef0 100644
--- a/tests/V2/Nurseries/AdminIndexNurseriesControllerTest.php
+++ b/tests/V2/Nurseries/AdminIndexNurseriesControllerTest.php
@@ -61,7 +61,7 @@ public function test_nursery_index_has_required_filters()
             'country',
             'organisation_uuid',
             'project_uuid',
-            'framework',
+            'framework_key',
         ];
 
         foreach ($filters as $filter) {