diff --git a/ogcore/default_parameters.json b/ogcore/default_parameters.json
index 3056b506a..09b87e539 100644
--- a/ogcore/default_parameters.json
+++ b/ogcore/default_parameters.json
@@ -1132,7 +1132,7 @@
         ],
         "validators": {
             "range": {
-                "min": 0.0,
+                "min": 0.00000001,
                 "max": 10.0
             }
         }
@@ -1154,7 +1154,7 @@
         ],
         "validators": {
             "range": {
-                "min": 0.00000001,
+                "min": 0.0,
                 "max": 10.0
             }
         }
diff --git a/ogcore/demographics.py b/ogcore/demographics.py
index 7178aa08a..8813e2f5e 100644
--- a/ogcore/demographics.py
+++ b/ogcore/demographics.py
@@ -117,6 +117,7 @@ def get_un_data(
             "608": "PHL",
             "764": "THA",
             "076": "BRA"
+            "410": "KOR",
         }
         un_variable_dict = {
             "68": "fertility_rates",