diff --git a/app/Models/GlobalParameter.php b/app/Models/GlobalParameter.php
new file mode 100644
index 0000000..bfefcd4
--- /dev/null
+++ b/app/Models/GlobalParameter.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasOne;
+
+class GlobalParameter extends Model
+{
+    use HasFactory;
+    protected $table = 'global_parameters';
+    protected $guarded = [];
+
+    public function globalParameterType() :HasOne
+    {
+        return $this->hasOne(GlobalParameterType::class, 'type', 'id');
+    }
+
+    public function createdByUser() :HasOne
+    {
+        return $this->hasOne(User::class, 'created_by', 'id');
+    }
+
+    public function updatedByUser() :HasOne
+    {
+        return $this->hasOne(User::class, 'updated_by', 'id');
+    }
+}
diff --git a/app/Models/GlobalParameterType.php b/app/Models/GlobalParameterType.php
new file mode 100644
index 0000000..b0d3293
--- /dev/null
+++ b/app/Models/GlobalParameterType.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasOne;
+
+class GlobalParameterType extends Model
+{
+    use HasFactory;
+    protected $table = 'global_parameters_type';
+    protected $guarded = [];
+
+    public function globalParameter() :HasMany
+    {
+        return $this->hasMany(GlobalParameter::class, 'id');
+    }
+
+    public function createdByUser() :HasOne
+    {
+        return $this->hasOne(User::class, 'created_by', 'id');
+    }
+
+    public function updatedByUser() :HasOne
+    {
+        return $this->hasOne(User::class, 'updated_by', 'id');
+    }
+}
diff --git a/database/migrations/2014_10_12_000000_create_users_table.php b/database/migrations/2014_10_12_000000_create_users_table.php
index ae7354d..fc43bbd 100644
--- a/database/migrations/2014_10_12_000000_create_users_table.php
+++ b/database/migrations/2014_10_12_000000_create_users_table.php
@@ -17,8 +17,8 @@ public function up(): void
             $table->string('password');
             $table->timestamp('email_verified_at')->nullable();
             $table->boolean('is_active')->default(true);
-            $table->integer('created_by');
-            $table->integer('updated_by');
+            $table->integer('created_by')->nullable()->comment('users table primary key');
+            $table->integer('updated_by')->nullable()->comment('users table primary key');
             $table->timestamps();
             $table->rememberToken();
         });
diff --git a/database/migrations/2014_10_12_000001_create_users_profile_table.php b/database/migrations/2014_10_12_000001_create_users_profile_table.php
index 82a5129..dce59dc 100644
--- a/database/migrations/2014_10_12_000001_create_users_profile_table.php
+++ b/database/migrations/2014_10_12_000001_create_users_profile_table.php
@@ -12,11 +12,14 @@
     public function up(): void
     {
         Schema::create('users_profile', function (Blueprint $table) {
-            $table->id();
-            $table->string('firstname');
-            $table->string('lastname');
+            $table->foreignId('id')
+                ->primary()
+                ->constrained('users')
+                ->onUpdate('cascade');
+            $table->string('firstname')->nullable();
+            $table->string('lastname')->nullable();
             $table->string('middlename')->nullable();
-            $table->integer('gender');
+            $table->integer('gender')->comment('global parameters table primary key');
             $table->timestamps(false);
         });
     }
diff --git a/database/migrations/2024_03_16_164013_create_global_parameters_type_table.php b/database/migrations/2024_03_16_164013_create_global_parameters_type_table.php
new file mode 100644
index 0000000..c63faaf
--- /dev/null
+++ b/database/migrations/2024_03_16_164013_create_global_parameters_type_table.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('global_parameters_type', function (Blueprint $table) {
+            $table->id();
+            $table->string('name')->nullable();
+            $table->longText('description')->nullable();
+            $table->boolean('is_active')->default(true);
+            $table->foreignId('created_by')->nullable()->constrained('users', 'id');
+            $table->foreignId('updated_by')->nullable()->constrained('users', 'id');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('global_parameters_type');
+    }
+};
diff --git a/database/migrations/2024_03_16_164726_create_global_parameters_table.php b/database/migrations/2024_03_16_164726_create_global_parameters_table.php
new file mode 100644
index 0000000..436210d
--- /dev/null
+++ b/database/migrations/2024_03_16_164726_create_global_parameters_table.php
@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('global_parameters', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('type')
+                ->nullable()
+                ->constrained('global_parameters_type')
+                ->onUpdate('cascade');
+            $table->string('name')->nullable();
+            $table->longText('description')->nullable();
+            $table->boolean('is_active')->default(true);
+            $table->foreignId('created_by')->nullable()->constrained('users');
+            $table->foreignId('updated_by')->nullable()->constrained('users');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('global_parameters');
+    }
+};
diff --git a/database/seeders/DatabaseSeeder.php b/database/seeders/DatabaseSeeder.php
index 9c41bbe..e7af0fe 100644
--- a/database/seeders/DatabaseSeeder.php
+++ b/database/seeders/DatabaseSeeder.php
@@ -18,5 +18,11 @@ public function run(): void
     {
         User::factory(10)->create();
         UserProfile::factory(10)->create();
+
+        $this->call([
+            GlobalParameterTypeSeeder::class,
+            GlobalParameterSeeder::class,
+
+        ]);
     }
 }
diff --git a/database/seeders/GlobalParameterSeeder.php b/database/seeders/GlobalParameterSeeder.php
new file mode 100644
index 0000000..cef3854
--- /dev/null
+++ b/database/seeders/GlobalParameterSeeder.php
@@ -0,0 +1,58 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\Models\GlobalParameter;
+use Illuminate\Database\Console\Seeds\WithoutModelEvents;
+use Illuminate\Database\Seeder;
+
+class GlobalParameterSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        // Gender 
+        GlobalParameter::create([
+            'type' => 1,
+            'name' => 'Male',
+        ]);
+        GlobalParameter::create([
+            'type' => 1,
+            'name' => 'Female',
+        ]);
+
+        // Civil Status
+        GlobalParameter::create([
+            'type' => 2,
+            'name' => 'Single',
+        ]);
+        GlobalParameter::create([
+            'type' => 2,
+            'name' => 'Married',
+        ]);
+        GlobalParameter::create([
+            'type' => 2,
+            'name' => 'Divorce',
+        ]);
+        GlobalParameter::create([
+            'type' => 2,
+            'name' => 'Widowed',
+        ]);
+
+        // Religion
+        GlobalParameter::create([
+            'type' => 3,
+            'name' => 'Roman Catholic',
+        ]);
+        GlobalParameter::create([
+            'type' => 3,
+            'name' => 'Muslim',
+        ]);
+        GlobalParameter::create([
+            'type' => 3,
+            'name' => 'Iglesia ni Cristo',
+        ]);
+    }
+}
diff --git a/database/seeders/GlobalParameterTypeSeeder.php b/database/seeders/GlobalParameterTypeSeeder.php
new file mode 100644
index 0000000..9bab15e
--- /dev/null
+++ b/database/seeders/GlobalParameterTypeSeeder.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\Models\GlobalParameterType;
+use Illuminate\Database\Console\Seeds\WithoutModelEvents;
+use Illuminate\Database\Seeder;
+
+class GlobalParameterTypeSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        GlobalParameterType::create([
+            'name' => 'Gender',
+        ]);
+        GlobalParameterType::create([
+            'name' => 'Civil Status',
+        ]);
+        GlobalParameterType::create([
+            'name' => 'Religion',
+        ]);
+    }
+}