diff --git a/packages/esm-patient-registration-app/src/patient-registration/validation/patient-registration-validation.test.ts b/packages/esm-patient-registration-app/src/patient-registration/validation/patient-registration-validation.test.ts
index f9c70c9b0..322fe2a9d 100644
--- a/packages/esm-patient-registration-app/src/patient-registration/validation/patient-registration-validation.test.ts
+++ b/packages/esm-patient-registration-app/src/patient-registration/validation/patient-registration-validation.test.ts
@@ -1,6 +1,7 @@
 import { getConfig } from '@openmrs/esm-framework';
 import { type RegistrationConfig } from '../../config-schema';
 import { getValidationSchema } from './patient-registration-validation';
+import dayjs from 'dayjs';
 
 const mockGetConfig = jest.mocked(getConfig);
 
@@ -144,7 +145,7 @@ describe('Patient registration validation', () => {
     expect(validationError).toBeFalsy();
   });
 
-  it('should throw error when date of birth is a future date', async () => {
+  it('should throw an error when date of birth is a future date', async () => {
     const invalidFormValues = {
       ...validFormValues,
       birthdate: new Date('2100-01-01'),
@@ -153,6 +154,15 @@ describe('Patient registration validation', () => {
     expect(validationError.errors).toContain('birthdayNotInTheFuture');
   });
 
+  it('should throw an error when date of birth is more than 140 years ago', async () => {
+    const invalidFormValues = {
+      ...validFormValues,
+      birthdate: dayjs().subtract(141, 'years').toDate(),
+    };
+    const validationError = await validateFormValues(invalidFormValues);
+    expect(validationError.errors).toContain('birthdayNotOver140YearsAgo');
+  });
+
   it('should require yearsEstimated when birthdateEstimated is true', async () => {
     const invalidFormValues = {
       ...validFormValues,
@@ -162,7 +172,7 @@ describe('Patient registration validation', () => {
     expect(validationError.errors).toContain('yearsEstimateRequired');
   });
 
-  it('should throw error when monthEstimated is negative', async () => {
+  it('should throw an error when monthEstimated is negative', async () => {
     const invalidFormValues = {
       ...validFormValues,
       birthdateEstimated: true,
@@ -173,7 +183,17 @@ describe('Patient registration validation', () => {
     expect(validationError.errors).toContain('negativeMonths');
   });
 
-  it('should throw error when deathDate is in future', async () => {
+  it('should throw an error when yearsEstimated is more than 140', async () => {
+    const invalidFormValues = {
+      ...validFormValues,
+      birthdateEstimated: true,
+      yearsEstimated: 141,
+    };
+    const validationError = await validateFormValues(invalidFormValues);
+    expect(validationError.errors).toContain('nonsensicalYears');
+  });
+
+  it('should throw an error when deathDate is in future', async () => {
     const invalidFormValues = {
       ...validFormValues,
       deathDate: new Date('2100-01-01'),
diff --git a/packages/esm-patient-registration-app/src/patient-registration/validation/patient-registration-validation.ts b/packages/esm-patient-registration-app/src/patient-registration/validation/patient-registration-validation.ts
index ebb5fc835..c4a1b1c5e 100644
--- a/packages/esm-patient-registration-app/src/patient-registration/validation/patient-registration-validation.ts
+++ b/packages/esm-patient-registration-app/src/patient-registration/validation/patient-registration-validation.ts
@@ -33,6 +33,10 @@ export function getValidationSchema(config: RegistrationConfig) {
       then: Yup.date()
         .required(t('birthdayRequired', 'Birthday is required'))
         .max(Date(), t('birthdayNotInTheFuture', 'Birthday cannot be in future'))
+        .min(
+          dayjs().subtract(140, 'years').toDate(),
+          t('birthdayNotOver140YearsAgo', 'Birthday cannot be more than 140 years ago'),
+        )
         .nullable(),
       otherwise: Yup.date().nullable(),
     }),
@@ -40,7 +44,8 @@ export function getValidationSchema(config: RegistrationConfig) {
       is: true,
       then: Yup.number()
         .required(t('yearsEstimateRequired', 'Estimated years required'))
-        .min(0, t('negativeYears', 'Estimated years cannot be negative')),
+        .min(0, t('negativeYears', 'Estimated years cannot be negative'))
+        .max(140, t('nonsensicalYears', 'Estimated years cannot be more than 140')),
       otherwise: Yup.number().nullable(),
     }),
     monthsEstimated: Yup.number().min(0, t('negativeMonths', 'Estimated months cannot be negative')),
diff --git a/packages/esm-patient-registration-app/translations/en.json b/packages/esm-patient-registration-app/translations/en.json
index 34e551538..ff2890d24 100644
--- a/packages/esm-patient-registration-app/translations/en.json
+++ b/packages/esm-patient-registration-app/translations/en.json
@@ -4,6 +4,7 @@
   "allFieldsRequiredText": "All fields are required unless marked optional",
   "autoGeneratedPlaceholderText": "Auto-generated",
   "birthdayNotInTheFuture": "Birthday cannot be in future",
+  "birthdayNotOver140YearsAgo": "Birthday cannot be more than 140 years ago",
   "birthdayRequired": "Birthday is required",
   "birthFieldLabelText": "Birth",
   "cancel": "Cancel",
@@ -72,6 +73,7 @@
   "no": "No",
   "nonCodedCauseOfDeath": "Non-coded cause of death",
   "nonCodedCauseOfDeathRequired": "Cause of death is required",
+  "nonsensicalYears": "Estimated years cannot be more than 140",
   "numberInNameDubious": "Number in name is dubious",
   "obsFieldUnknownDatatype": "Concept for obs field '{{fieldDefinitionId}}' has unknown datatype '{{datatypeName}}'",
   "optional": "optional",