diff --git a/include/boost/unordered/concurrent_flat_map.hpp b/include/boost/unordered/concurrent_flat_map.hpp
index 62d24b52..f65e534d 100644
--- a/include/boost/unordered/concurrent_flat_map.hpp
+++ b/include/boost/unordered/concurrent_flat_map.hpp
@@ -197,6 +197,27 @@ namespace boost {
       {
       }
 
+      concurrent_flat_map(std::initializer_list<value_type> il,
+        size_type n = detail::foa::default_bucket_count,
+        const hasher& hf = hasher(), const key_equal& eql = key_equal(),
+        const allocator_type& a = allocator_type())
+          : concurrent_flat_map(n, hf, eql, a)
+      {
+        this->insert(il.begin(), il.end());
+      }
+
+      concurrent_flat_map(size_type n, const allocator_type& a)
+          : concurrent_flat_map(n, hasher(), key_equal(), a)
+      {
+      }
+
+      concurrent_flat_map(
+        size_type n, const hasher& hf, const allocator_type& a)
+          : concurrent_flat_map(n, hf, key_equal(), a)
+      {
+      }
+
+
       /// Capacity
       ///
 
diff --git a/test/cfoa/constructor_tests.cpp b/test/cfoa/constructor_tests.cpp
index 457d27e3..9ecae41c 100644
--- a/test/cfoa/constructor_tests.cpp
+++ b/test/cfoa/constructor_tests.cpp
@@ -628,6 +628,74 @@ namespace {
     }
   }
 
+  UNORDERED_AUTO_TEST (initializer_list_with_all_params) {
+    std::initializer_list<map_value_type> ilist{
+      map_value_type{raii{0}, raii{0}},
+      map_value_type{raii{1}, raii{1}},
+      map_value_type{raii{2}, raii{2}},
+      map_value_type{raii{3}, raii{3}},
+      map_value_type{raii{4}, raii{4}},
+      map_value_type{raii{5}, raii{5}},
+      map_value_type{raii{6}, raii{6}},
+      map_value_type{raii{6}, raii{6}},
+      map_value_type{raii{7}, raii{7}},
+      map_value_type{raii{8}, raii{8}},
+      map_value_type{raii{9}, raii{9}},
+      map_value_type{raii{10}, raii{10}},
+      map_value_type{raii{9}, raii{9}},
+      map_value_type{raii{8}, raii{8}},
+      map_value_type{raii{7}, raii{7}},
+      map_value_type{raii{6}, raii{6}},
+      map_value_type{raii{5}, raii{5}},
+      map_value_type{raii{4}, raii{4}},
+      map_value_type{raii{3}, raii{3}},
+      map_value_type{raii{2}, raii{2}},
+      map_value_type{raii{1}, raii{1}},
+      map_value_type{raii{0}, raii{0}},
+    };
+
+    raii::reset_counts();
+
+    map_type x(ilist, 0, hasher(1), key_equal(2), allocator_type(3));
+
+    BOOST_TEST_EQ(x.size(), 11u);
+    BOOST_TEST_EQ(x.hash_function(), hasher(1));
+    BOOST_TEST_EQ(x.key_eq(), key_equal(2));
+    BOOST_TEST(x.get_allocator() == allocator_type(3));
+  }
+
+  UNORDERED_AUTO_TEST (bucket_count_and_allocator) {
+    raii::reset_counts();
+
+    {
+      map_type x(0, allocator_type(3));
+      BOOST_TEST_EQ(x.size(), 0u);
+      BOOST_TEST_EQ(x.hash_function(), hasher());
+      BOOST_TEST_EQ(x.key_eq(), key_equal());
+      BOOST_TEST(x.get_allocator() == allocator_type(3));
+    }
+
+    {
+      map_type x(4096, allocator_type(3));
+      BOOST_TEST_EQ(x.size(), 0u);
+      BOOST_TEST_EQ(x.hash_function(), hasher());
+      BOOST_TEST_EQ(x.key_eq(), key_equal());
+      BOOST_TEST(x.get_allocator() == allocator_type(3));
+    }
+  }
+
+  UNORDERED_AUTO_TEST (bucket_count_with_hasher_and_allocator) {
+    raii::reset_counts();
+
+    {
+      map_type x(0, hasher(1), allocator_type(3));
+      BOOST_TEST_EQ(x.size(), 0u);
+      BOOST_TEST_EQ(x.hash_function(), hasher(1));
+      BOOST_TEST_EQ(x.key_eq(), key_equal());
+      BOOST_TEST(x.get_allocator() == allocator_type(3));
+    }
+  }
+
 } // namespace
 
 // clang-format off