diff --git a/stat_vars/EuroStat_Population_on_1_January_by_age_group_and_sex_stat_vars.mcf b/stat_vars/EuroStat_Population_on_1_January_by_age_group_and_sex_stat_vars.mcf
new file mode 100644
index 000000000..758b5f23d
--- /dev/null
+++ b/stat_vars/EuroStat_Population_on_1_January_by_age_group_and_sex_stat_vars.mcf
@@ -0,0 +1,28 @@
+Node: dcid:Count_Person_AgeNotStated
+typeOf: dcid:StatisticalVariable
+name: "Count person: age unspecified age not stated"
+description: "Number of people with age not stated."
+populationType: dcid:Person
+measuredProperty: dcid:count
+statType: dcid:measuredValue
+age: dcid:USC_AgeNotStated
+
+Node: dcid:Count_Person_AgeNotStated_Female
+typeOf: dcid:StatisticalVariable
+name: "Count person: age usc age not stated, gender female"
+description: "Number of people with age not stated and female gender."
+populationType: dcid:Person
+measuredProperty: dcid:count
+statType: dcid:measuredValue
+age: dcid:USC_AgeNotStated
+gender: dcid:Female
+
+Node: dcid:Count_Person_AgeNotStated_Male
+typeOf: dcid:StatisticalVariable
+name: "Count person: age usc age not stated, gender male"
+description: "Number of people with age not stated and male gender."
+populationType: dcid:Person
+measuredProperty: dcid:count
+statType: dcid:measuredValue
+age: dcid:USC_AgeNotStated
+gender: dcid:Male