diff --git a/global/overlay/usr/lib/nagios/plugins/check_eidas_country_count.sh b/global/overlay/usr/lib/nagios/plugins/check_eidas_country_count.sh
new file mode 100755
index 00000000..e267e59a
--- /dev/null
+++ b/global/overlay/usr/lib/nagios/plugins/check_eidas_country_count.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+. /usr/lib/nagios/plugins/utils.sh
+
+abs() { 
+    [[ $[ $@ ] -lt 0 ]] && echo "$[ ($@) * -1 ]" || echo "$[ $@ ]"
+}
+
+count=$(wget -qO- https://$1/role/idp.xml | xmllint --format - | grep eidas:NodeCountry | wc -l)
+if [ $? -ne 0 ]; then
+   echo "CRITICAL - Service FAIL"
+   echo $status
+   exit $STATE_CRITICAL
+fi
+
+count_expected=$2
+count_diff_warn=$3
+count_diff_crit=$4
+
+d=$(abs $count - $count_expected)
+if [ $d -ge $count_diff_crit ]; then
+   echo "CRITICAL - country count is $count expected $count_expected"
+   echo $status
+   exit $STATE_CRITICAL
+elif [ $d -ge $count_diff_warn ]; then
+   echo "WARNING - country count is $count expected $count_expected"
+   echo $status
+   exit $STATE_WARNING
+else
+   echo "OK - Service healthy ($count countries)"
+   echo $status
+   exit $STATE_OK
+fi