diff --git a/clang/docs/LibASTMatchersReference.html b/clang/docs/LibASTMatchersReference.html
--- a/clang/docs/LibASTMatchersReference.html
+++ b/clang/docs/LibASTMatchersReference.html
@@ -3036,6 +3036,18 @@
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;</td><td class="name" onclick="toggle('argumentCountAtLeast1')"><a name="argumentCountAtLeast1Anchor">argumentCountAtLeast</a></td><td>unsigned N</td></tr>
+<tr><td colspan="4" class="doc" id="argumentCountAtLeast1"><pre>Checks that a call expression or a constructor call expression has
+at least the specified number of arguments (including absent default arguments).
+
+Example matches f(0, 0) and g(0, 0, 0) (matcher = callExpr(argumentCountAtLeast(2)))
+  void f(int x, int y);
+  void g(int x, int y, int z);
+  f(0, 0);
+  g(0, 0, 0);
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXConstructExpr.html">CXXConstructExpr</a>&gt;</td><td class="name" onclick="toggle('argumentCountIs1')"><a name="argumentCountIs1Anchor">argumentCountIs</a></td><td>unsigned N</td></tr>
 <tr><td colspan="4" class="doc" id="argumentCountIs1"><pre>Checks that a call expression or a constructor call expression has
 a specific number of arguments (including absent default arguments).
@@ -3693,6 +3705,18 @@
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXUnresolvedConstructExpr.html">CXXUnresolvedConstructExpr</a>&gt;</td><td class="name" onclick="toggle('argumentCountAtLeast2')"><a name="argumentCountAtLeast2Anchor">argumentCountAtLeast</a></td><td>unsigned N</td></tr>
+<tr><td colspan="4" class="doc" id="argumentCountAtLeast2"><pre>Checks that a call expression or a constructor call expression has
+at least the specified number of arguments (including absent default arguments).
+
+Example matches f(0, 0) and g(0, 0, 0) (matcher = callExpr(argumentCountAtLeast(2)))
+  void f(int x, int y);
+  void g(int x, int y, int z);
+  f(0, 0);
+  g(0, 0, 0);
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1CXXUnresolvedConstructExpr.html">CXXUnresolvedConstructExpr</a>&gt;</td><td class="name" onclick="toggle('argumentCountIs2')"><a name="argumentCountIs2Anchor">argumentCountIs</a></td><td>unsigned N</td></tr>
 <tr><td colspan="4" class="doc" id="argumentCountIs2"><pre>Checks that a call expression or a constructor call expression has
 a specific number of arguments (including absent default arguments).
@@ -3703,6 +3727,18 @@
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;</td><td class="name" onclick="toggle('argumentCountAtLeast0')"><a name="argumentCountAtLeast0Anchor">argumentCountAtLeast</a></td><td>unsigned N</td></tr>
+<tr><td colspan="4" class="doc" id="argumentCountAtLeast0"><pre>Checks that a call expression or a constructor call expression has
+at least the specified number of arguments (including absent default arguments).
+
+Example matches f(0, 0) and g(0, 0, 0) (matcher = callExpr(argumentCountAtLeast(2)))
+  void f(int x, int y);
+  void g(int x, int y, int z);
+  f(0, 0);
+  g(0, 0, 0);
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1CallExpr.html">CallExpr</a>&gt;</td><td class="name" onclick="toggle('argumentCountIs0')"><a name="argumentCountIs0Anchor">argumentCountIs</a></td><td>unsigned N</td></tr>
 <tr><td colspan="4" class="doc" id="argumentCountIs0"><pre>Checks that a call expression or a constructor call expression has
 a specific number of arguments (including absent default arguments).
@@ -4860,6 +4896,18 @@
 </pre></td></tr>
 
 
+<tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>&gt;</td><td class="name" onclick="toggle('argumentCountAtLeast3')"><a name="argumentCountAtLeast3Anchor">argumentCountAtLeast</a></td><td>unsigned N</td></tr>
+<tr><td colspan="4" class="doc" id="argumentCountAtLeast3"><pre>Checks that a call expression or a constructor call expression has
+at least the specified number of arguments (including absent default arguments).
+
+Example matches f(0, 0) and g(0, 0, 0) (matcher = callExpr(argumentCountAtLeast(2)))
+  void f(int x, int y);
+  void g(int x, int y, int z);
+  f(0, 0);
+  g(0, 0, 0);
+</pre></td></tr>
+
+
 <tr><td>Matcher&lt;<a href="https://clang.llvm.org/doxygen/classclang_1_1ObjCMessageExpr.html">ObjCMessageExpr</a>&gt;</td><td class="name" onclick="toggle('argumentCountIs3')"><a name="argumentCountIs3Anchor">argumentCountIs</a></td><td>unsigned N</td></tr>
 <tr><td colspan="4" class="doc" id="argumentCountIs3"><pre>Checks that a call expression or a constructor call expression has
 a specific number of arguments (including absent default arguments).
diff --git a/clang/include/clang/ASTMatchers/ASTMatchers.h b/clang/include/clang/ASTMatchers/ASTMatchers.h
--- a/clang/include/clang/ASTMatchers/ASTMatchers.h
+++ b/clang/include/clang/ASTMatchers/ASTMatchers.h
@@ -4431,6 +4431,33 @@
   return NumArgs == N;
 }
 
+/// Checks that a call expression or a constructor call expression has at least
+/// the specified number of arguments (including absent default arguments).
+///
+/// Example matches f(0, 0) and g(0, 0, 0)
+/// (matcher = callExpr(argumentCountAtLeast(2)))
+/// \code
+///   void f(int x, int y);
+///   void g(int x, int y, int z);
+///   f(0, 0);
+///   g(0, 0, 0);
+/// \endcode
+AST_POLYMORPHIC_MATCHER_P(argumentCountAtLeast,
+                          AST_POLYMORPHIC_SUPPORTED_TYPES(
+                              CallExpr, CXXConstructExpr,
+                              CXXUnresolvedConstructExpr, ObjCMessageExpr),
+                          unsigned, N) {
+  unsigned NumArgs = Node.getNumArgs();
+  if (!Finder->isTraversalIgnoringImplicitNodes())
+    return NumArgs >= N;
+  while (NumArgs) {
+    if (!isa<CXXDefaultArgExpr>(Node.getArg(NumArgs - 1)))
+      break;
+    --NumArgs;
+  }
+  return NumArgs >= N;
+}
+
 /// Matches the n'th argument of a call expression or a constructor
 /// call expression.
 ///
diff --git a/clang/lib/ASTMatchers/Dynamic/Registry.cpp b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
--- a/clang/lib/ASTMatchers/Dynamic/Registry.cpp
+++ b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
@@ -135,6 +135,7 @@
   REGISTER_MATCHER(anyOf);
   REGISTER_MATCHER(anything);
   REGISTER_MATCHER(argumentCountIs);
+  REGISTER_MATCHER(argumentCountAtLeast);
   REGISTER_MATCHER(arraySubscriptExpr);
   REGISTER_MATCHER(arrayType);
   REGISTER_MATCHER(asString);
diff --git a/clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
--- a/clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp
@@ -1640,6 +1640,95 @@
                          cxxConversionDecl(isExplicit())));
 }
 
+TEST_P(ASTMatchersTest, ArgumentCountAtLeast_CallExpr) {
+  StatementMatcher Call2PlusArgs = callExpr(argumentCountAtLeast(2));
+
+  EXPECT_TRUE(notMatches("void x(void) { x(); }", Call2PlusArgs));
+  EXPECT_TRUE(notMatches("void x(int) { x(0); }", Call2PlusArgs));
+  EXPECT_TRUE(matches("void x(int, int) { x(0, 0); }", Call2PlusArgs));
+  EXPECT_TRUE(matches("void x(int, int, int) { x(0, 0, 0); }", Call2PlusArgs));
+
+  if (!GetParam().isCXX()) {
+    return;
+  }
+
+  EXPECT_TRUE(
+      notMatches("void x(int = 1) { x(); }", traverse(TK_AsIs, Call2PlusArgs)));
+  EXPECT_TRUE(matches("void x(int, int = 1) { x(0); }",
+                      traverse(TK_AsIs, Call2PlusArgs)));
+  EXPECT_TRUE(matches("void x(int, int = 1, int = 1) { x(0); }",
+                      traverse(TK_AsIs, Call2PlusArgs)));
+  EXPECT_TRUE(matches("void x(int, int, int = 1) { x(0, 0); }",
+                      traverse(TK_AsIs, Call2PlusArgs)));
+  EXPECT_TRUE(matches("void x(int, int, int, int = 1) { x(0, 0, 0); }",
+                      traverse(TK_AsIs, Call2PlusArgs)));
+
+  EXPECT_TRUE(
+      notMatches("void x(int = 1) { x(); }",
+                 traverse(TK_IgnoreUnlessSpelledInSource, Call2PlusArgs)));
+  EXPECT_TRUE(
+      notMatches("void x(int, int = 1) { x(0); }",
+                 traverse(TK_IgnoreUnlessSpelledInSource, Call2PlusArgs)));
+  EXPECT_TRUE(
+      notMatches("void x(int, int = 1, int = 1) { x(0); }",
+                 traverse(TK_IgnoreUnlessSpelledInSource, Call2PlusArgs)));
+  EXPECT_TRUE(matches("void x(int, int, int = 1) { x(0, 0); }",
+                      traverse(TK_IgnoreUnlessSpelledInSource, Call2PlusArgs)));
+  EXPECT_TRUE(matches("void x(int, int, int, int = 1) { x(0, 0, 0); }",
+                      traverse(TK_IgnoreUnlessSpelledInSource, Call2PlusArgs)));
+}
+
+TEST_P(ASTMatchersTest, ArgumentCountAtLeast_CallExpr_CXX) {
+  if (!GetParam().isCXX()) {
+    return;
+  }
+
+  StatementMatcher Call2PlusArgs = callExpr(argumentCountAtLeast(2));
+  EXPECT_TRUE(notMatches("class X { void x() { x(); } };", Call2PlusArgs));
+  EXPECT_TRUE(notMatches("class X { void x(int) { x(0); } };", Call2PlusArgs));
+  EXPECT_TRUE(
+      matches("class X { void x(int, int) { x(0, 0); } };", Call2PlusArgs));
+  EXPECT_TRUE(matches("class X { void x(int, int, int) { x(0, 0, 0); } };",
+                      Call2PlusArgs));
+
+  EXPECT_TRUE(notMatches("class X { void x(int = 1) { x(0); } };",
+                         traverse(TK_AsIs, Call2PlusArgs)));
+  EXPECT_TRUE(matches("class X { void x(int, int = 1) { x(0); } };",
+                      traverse(TK_AsIs, Call2PlusArgs)));
+  EXPECT_TRUE(matches("class X { void x(int, int = 1, int = 1) { x(0); } };",
+                      traverse(TK_AsIs, Call2PlusArgs)));
+  EXPECT_TRUE(matches("class X { void x(int, int, int = 1) { x(0, 0); } };",
+                      traverse(TK_AsIs, Call2PlusArgs)));
+  EXPECT_TRUE(
+      matches("class X { void x(int, int, int, int = 1) { x(0, 0, 0); } };",
+              traverse(TK_AsIs, Call2PlusArgs)));
+
+  EXPECT_TRUE(
+      notMatches("class X { void x(int = 1) { x(0); } };",
+                 traverse(TK_IgnoreUnlessSpelledInSource, Call2PlusArgs)));
+  EXPECT_TRUE(
+      notMatches("class X { void x(int, int = 1) { x(0); } };",
+                 traverse(TK_IgnoreUnlessSpelledInSource, Call2PlusArgs)));
+  EXPECT_TRUE(
+      notMatches("class X { void x(int, int = 1, int = 1) { x(0); } };",
+                 traverse(TK_IgnoreUnlessSpelledInSource, Call2PlusArgs)));
+  EXPECT_TRUE(matches("class X { void x(int, int, int = 1) { x(0, 0); } };",
+                      traverse(TK_IgnoreUnlessSpelledInSource, Call2PlusArgs)));
+  EXPECT_TRUE(
+      matches("class X { void x(int, int, int, int = 1) { x(0, 0, 0); } };",
+              traverse(TK_IgnoreUnlessSpelledInSource, Call2PlusArgs)));
+
+  EXPECT_TRUE(
+      notMatches("class X { static void x() { x(); } };", Call2PlusArgs));
+  EXPECT_TRUE(
+      notMatches("class X { static void x(int) { x(0); } };", Call2PlusArgs));
+  EXPECT_TRUE(matches("class X { static void x(int, int) { x(0, 0); } };",
+                      Call2PlusArgs));
+  EXPECT_TRUE(
+      matches("class X { static void x(int, int, int) { x(0, 0, 0); } };",
+              Call2PlusArgs));
+}
+
 TEST_P(ASTMatchersTest, ArgumentCountIs_CallExpr) {
   StatementMatcher Call1Arg = callExpr(argumentCountIs(1));