diff --git a/include/boost/unordered/unordered_map.hpp b/include/boost/unordered/unordered_map.hpp
index 5bad0ebd..86a6fc63 100644
--- a/include/boost/unordered/unordered_map.hpp
+++ b/include/boost/unordered/unordered_map.hpp
@@ -160,6 +160,11 @@ namespace boost
         ~unordered_map() {}
 
 #if !defined(BOOST_NO_RVALUE_REFERENCES)
+        unordered_map(unordered_map const& other)
+          : table_(other.table_)
+        {
+        }
+
         unordered_map(unordered_map&& other)
           : table_(other.table_, boost::unordered_detail::move_tag())
         {
@@ -170,6 +175,12 @@ namespace boost
         {
         }
 
+        unordered_map& operator=(unordered_map const& x)
+        {
+            table_ = x.table_;
+            return *this;
+        }
+
         unordered_map& operator=(unordered_map&& x)
         {
             table_.move(x.table_);
@@ -705,6 +716,11 @@ namespace boost
         ~unordered_multimap() {}
 
 #if !defined(BOOST_NO_RVALUE_REFERENCES)
+        unordered_multimap(unordered_multimap const& other)
+          : table_(other.table_)
+        {
+        }
+
         unordered_multimap(unordered_multimap&& other)
           : table_(other.table_, boost::unordered_detail::move_tag())
         {
@@ -715,6 +731,12 @@ namespace boost
         {
         }
 
+        unordered_multimap& operator=(unordered_multimap const& x)
+        {
+            table_ = x.table_;
+            return *this;
+        }
+
         unordered_multimap& operator=(unordered_multimap&& x)
         {
             table_.move(x.table_);
diff --git a/include/boost/unordered/unordered_set.hpp b/include/boost/unordered/unordered_set.hpp
index ec48b8c8..89d1c1cf 100644
--- a/include/boost/unordered/unordered_set.hpp
+++ b/include/boost/unordered/unordered_set.hpp
@@ -154,6 +154,11 @@ namespace boost
         ~unordered_set() {}
 
 #if !defined(BOOST_NO_RVALUE_REFERENCES)
+        unordered_set(unordered_set const& other)
+          : table_(other.table_)
+        {
+        }
+
         unordered_set(unordered_set&& other)
           : table_(other.table_, boost::unordered_detail::move_tag())
         {
@@ -164,6 +169,12 @@ namespace boost
         {
         }
 
+        unordered_set& operator=(unordered_set const& x)
+        {
+            table_ = x.table_;
+            return *this;
+        }
+
         unordered_set& operator=(unordered_set&& x)
         {
             table_.move(x.table_);
@@ -651,6 +662,11 @@ namespace boost
         ~unordered_multiset() {}
 
 #if !defined(BOOST_NO_RVALUE_REFERENCES)
+        unordered_multiset(unordered_multiset const& other)
+          : table_(other.table_)
+        {
+        }
+
         unordered_multiset(unordered_multiset&& other)
           : table_(other.table_, boost::unordered_detail::move_tag())
         {
@@ -661,6 +677,12 @@ namespace boost
         {
         }
 
+        unordered_multiset& operator=(unordered_multiset const& x)
+        {
+            table_ = x.table_;
+            return *this;
+        }
+
         unordered_multiset& operator=(unordered_multiset&& x)
         {
             table_.move(x.table_);