diff --git a/config/forms/2021_2022.json b/config/forms/2021_2022.json
index 086f201c2..1d6626e9d 100644
--- a/config/forms/2021_2022.json
+++ b/config/forms/2021_2022.json
@@ -2076,7 +2076,7 @@
                   "check_answer_label": "Person 2’s age",
                   "check_answers_card_number": 2,
                   "type": "numeric",
-                  "min": 0,
+                  "min": 1,
                   "max": 120,
                   "step": 1,
                   "width": 2,
@@ -2611,7 +2611,7 @@
                   "check_answer_label": "Person 3’s age",
                   "check_answers_card_number": 3,
                   "type": "numeric",
-                  "min": 0,
+                  "min": 1,
                   "max": 120,
                   "step": 1,
                   "width": 2,
@@ -3143,7 +3143,7 @@
                   "check_answer_label": "Person 4’s age",
                   "check_answers_card_number": 4,
                   "type": "numeric",
-                  "min": 0,
+                  "min": 1,
                   "max": 120,
                   "step": 1,
                   "width": 2,
@@ -3672,7 +3672,7 @@
                   "check_answer_label": "Person 5’s age",
                   "check_answers_card_number": 5,
                   "type": "numeric",
-                  "min": 0,
+                  "min": 1,
                   "max": 120,
                   "step": 1,
                   "width": 2,
@@ -4198,7 +4198,7 @@
                   "check_answer_label": "Person 6’s age",
                   "check_answers_card_number": 6,
                   "type": "numeric",
-                  "min": 0,
+                  "min": 1,
                   "max": 120,
                   "step": 1,
                   "width": 2,
@@ -4721,7 +4721,7 @@
                   "check_answer_label": "Person 7’s age",
                   "check_answers_card_number": 7,
                   "type": "numeric",
-                  "min": 0,
+                  "min": 1,
                   "max": 120,
                   "step": 1,
                   "width": 2,
@@ -5241,7 +5241,7 @@
                   "check_answer_label": "Person 8’s age",
                   "check_answers_card_number": 8,
                   "type": "numeric",
-                  "min": 0,
+                  "min": 1,
                   "max": 120,
                   "step": 1,
                   "width": 2,