diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb4b2587d..641d47789 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Next release
 
+- Improvement: default order for the spaces/trainings list is set to descending by created_at
+
 ## v6.3.35 2024 November 13
 
 - Fix a bug: unable to run rails db:migrate if the database is empty
diff --git a/app/controllers/api/spaces_controller.rb b/app/controllers/api/spaces_controller.rb
index d6a2ea8ae..ba9e84993 100644
--- a/app/controllers/api/spaces_controller.rb
+++ b/app/controllers/api/spaces_controller.rb
@@ -7,7 +7,7 @@ class API::SpacesController < API::APIController
   respond_to :json
 
   def index
-    @spaces = Space.includes(:space_image, :machines).where(deleted_at: nil)
+    @spaces = Space.includes(:space_image, :machines).where(deleted_at: nil).order(:created_at)
     @spaces_indexed_with_parent = @spaces.index_with { |space| @spaces.find { |s| s.id == space.parent_id } }
     @spaces_grouped_by_parent_id = @spaces.group_by(&:parent_id)
   end
diff --git a/app/services/training_service.rb b/app/services/training_service.rb
index ec9bfc434..690e681cb 100644
--- a/app/services/training_service.rb
+++ b/app/services/training_service.rb
@@ -5,7 +5,7 @@ class TrainingService
   class << self
     # @param filters [ActionController::Parameters]
     def list(filters)
-      trainings = Training.includes(:training_image, :plans, :machines)
+      trainings = Training.includes(:training_image, :plans, :machines).order(:created_at)
 
       trainings = filter_by_disabled(trainings, filters)
       trainings = filter_by_public_page(trainings, filters)