diff --git a/src/scripts/main.js b/src/scripts/main.js
index c6e3f8784..8c7325ac9 100644
--- a/src/scripts/main.js
+++ b/src/scripts/main.js
@@ -1,3 +1,20 @@
 'use strict';
 
-// write your code here
+const populationElements = document.querySelectorAll('.population');
+let total = 0;
+
+populationElements.forEach((el) => {
+  const num = Number(el.innerText.replace(/,/g, ''));
+
+  if (!isNaN(num)) {
+    total += num;
+  }
+});
+
+const average = Math.round(total / populationElements.length);
+
+document.querySelector('.total-population').innerText =
+  total.toLocaleString('en-US');
+
+document.querySelector('.average-population').innerText =
+  average.toLocaleString('en-US');