diff --git a/src/scripts/main.js b/src/scripts/main.js
index c6e3f878..42b479ea 100644
--- a/src/scripts/main.js
+++ b/src/scripts/main.js
@@ -1,3 +1,15 @@
 'use strict';
 
-// write your code here
+const populationElements = document.querySelectorAll('.population');
+
+const sumPopulation = [...populationElements].reduce((acc, element) => {
+  return acc + +element.textContent.replaceAll(',', '');
+}, 0);
+
+const averagePopulation = sumPopulation / populationElements.length;
+
+document.querySelector('.total-population').textContent =
+  sumPopulation.toLocaleString('en-US');
+
+document.querySelector('.average-population').textContent =
+  averagePopulation.toLocaleString('en-US');