diff --git a/lcci/17.10.Find Majority Element/README.md b/lcci/17.10.Find Majority Element/README.md
index a7516dcf653e1..bda59b5cadc7d 100644
--- a/lcci/17.10.Find Majority Element/README.md	
+++ b/lcci/17.10.Find Majority Element/README.md	
@@ -184,6 +184,40 @@ public class Solution {
 }
 ```
 
+```swift
+class Solution {
+    func majorityElement(_ nums: [Int]) -> Int {
+        var count = 0
+        var candidate: Int?
+
+        for num in nums {
+            if count == 0 {
+                candidate = num
+                count = 1
+            } else if let candidate = candidate, candidate == num {
+                count += 1
+            } else {
+                count -= 1
+            }
+        }
+
+        count = 0
+        if let candidate = candidate {
+            for num in nums {
+                if num == candidate {
+                    count += 1
+                }
+            }
+            if count > nums.count / 2 {
+                return candidate
+            }
+        }
+
+        return -1
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- end -->
diff --git a/lcci/17.10.Find Majority Element/README_EN.md b/lcci/17.10.Find Majority Element/README_EN.md
index 0b853402f0b4f..9d3b44c3c67cf 100644
--- a/lcci/17.10.Find Majority Element/README_EN.md	
+++ b/lcci/17.10.Find Majority Element/README_EN.md	
@@ -177,6 +177,40 @@ public class Solution {
 }
 ```
 
+```swift
+class Solution {
+    func majorityElement(_ nums: [Int]) -> Int {
+        var count = 0
+        var candidate: Int?
+
+        for num in nums {
+            if count == 0 {
+                candidate = num
+                count = 1
+            } else if let candidate = candidate, candidate == num {
+                count += 1
+            } else {
+                count -= 1
+            }
+        }
+
+        count = 0
+        if let candidate = candidate {
+            for num in nums {
+                if num == candidate {
+                    count += 1
+                }
+            }
+            if count > nums.count / 2 {
+                return candidate
+            }
+        }
+
+        return -1
+    }
+}
+```
+
 <!-- tabs:end -->
 
 <!-- end -->
diff --git a/lcci/17.10.Find Majority Element/Solution.swift b/lcci/17.10.Find Majority Element/Solution.swift
new file mode 100644
index 0000000000000..39db645ff4290
--- /dev/null
+++ b/lcci/17.10.Find Majority Element/Solution.swift	
@@ -0,0 +1,31 @@
+class Solution {
+    func majorityElement(_ nums: [Int]) -> Int {
+        var count = 0
+        var candidate: Int?
+
+        for num in nums {
+            if count == 0 {
+                candidate = num
+                count = 1
+            } else if let candidate = candidate, candidate == num {
+                count += 1
+            } else {
+                count -= 1
+            }
+        }
+
+        count = 0
+        if let candidate = candidate {
+            for num in nums {
+                if num == candidate {
+                    count += 1
+                }
+            }
+            if count > nums.count / 2 {
+                return candidate
+            }
+        }
+
+        return -1
+    }
+}
\ No newline at end of file