diff --git a/index.js b/index.js
index e0652bf..015bfa0 100644
--- a/index.js
+++ b/index.js
@@ -33,6 +33,7 @@ module.exports.view = {
   boundary_rect: require('./view/boundary_rect'),
   boundary_country: require('./view/boundary_country'),
   sort_distance: require('./view/sort_distance'),
+  sort_popularity: require('./view/sort_popularity'),
   sources: require('./view/sources'),
   layers: require('./view/layers'),
   boundary_gid: require('./view/boundary_gid')
diff --git a/test/run.js b/test/run.js
index 4ca0ebd..9e83287 100644
--- a/test/run.js
+++ b/test/run.js
@@ -31,6 +31,7 @@ var tests = [
   require('./view/population.js'),
   require('./view/population_only_function.js'),
   require('./view/sort_distance.js'),
+  require('./view/sort_popularity.js'),
   require('./view/sources.js'),
   require('./view/boundary_gid.js'),
   require('./view/leaf/match.js'),
diff --git a/test/view/sort_distance.js b/test/view/sort_distance.js
index c2fd0f3..bd7b915 100644
--- a/test/view/sort_distance.js
+++ b/test/view/sort_distance.js
@@ -3,6 +3,7 @@ var VariableStore = require('../../lib/VariableStore');
 
 function getBaseVariableStore(toExclude) {
   var vs = new VariableStore();
+  vs.var('sort:field', 'distance');
   vs.var('focus:point:lat', 'lat value');
   vs.var('focus:point:lon', 'lon value');
   vs.var('sort:distance:order', 'order value');
diff --git a/test/view/sort_popularity.js b/test/view/sort_popularity.js
new file mode 100644
index 0000000..8134e41
--- /dev/null
+++ b/test/view/sort_popularity.js
@@ -0,0 +1,68 @@
+var sort_popularity = require('../../view/sort_popularity');
+var VariableStore = require('../../lib/VariableStore');
+
+function getBaseVariableStore(toExclude) {
+  var vs = new VariableStore();
+  vs.var('sort:field', 'popularity');
+
+  if (toExclude) {
+    vs.unset(toExclude);
+  }
+
+  return vs;
+
+}
+
+module.exports.tests = {};
+
+module.exports.tests.interface = function(test, common) {
+  test('interface: contructor', function(t) {
+    t.equal(typeof sort_popularity, 'function', 'valid function');
+    t.equal(sort_popularity.length, 1, 'takes 1 arg');
+    t.end();
+  });
+
+};
+
+module.exports.tests.missing_variable_conditions = function(test, common) {
+  var variables = Object.keys(getBaseVariableStore().export());
+
+  variables.forEach(function(missing_variable) {
+    test('missing required variable ' + missing_variable + ' should return null', function(t) {
+      var vs = getBaseVariableStore(missing_variable);
+
+      t.equal(sort_popularity(vs), null, 'should have returned null for unset ' + missing_variable);
+      t.end();
+
+    });
+  });
+
+};
+
+module.exports.tests.no_exceptions_conditions = function(test, common) {
+  test('all properties set should return valid object', function(t) {
+    var vs = getBaseVariableStore();
+
+    var actual = sort_popularity(vs);
+
+    var expected = {
+      popularity: {
+        order: 'desc'
+      }
+    };
+
+    t.deepEquals(actual, expected, 'should have returned object');
+    t.end();
+
+  });
+
+};
+
+module.exports.all = function (tape, common) {
+  function test(name, testFunction) {
+    return tape('sort_popularity ' + name, testFunction);
+  }
+  for( var testCase in module.exports.tests ){
+    module.exports.tests[testCase](test, common);
+  }
+};
diff --git a/view/sort_distance.js b/view/sort_distance.js
index 1f3d049..e1c6f2a 100644
--- a/view/sort_distance.js
+++ b/view/sort_distance.js
@@ -2,7 +2,8 @@
 module.exports = function( vs ){
 
   // validate required params
-  if( !vs.isset('focus:point:lat') ||
+  if( vs.var('sort:field').get() !== 'distance' ||
+      !vs.isset('focus:point:lat') ||
       !vs.isset('focus:point:lon') ||
       !vs.isset('sort:distance:order') ||
       !vs.isset('sort:distance:distance_type') ||
diff --git a/view/sort_popularity.js b/view/sort_popularity.js
new file mode 100644
index 0000000..b39a8e9
--- /dev/null
+++ b/view/sort_popularity.js
@@ -0,0 +1,14 @@
+module.exports = function( vs ) {
+  if ( !vs.isset('sort:field') ||
+      vs.var('sort:field').get() !== 'popularity' ) {
+    return null;
+  }
+  // base view
+  var view = {
+    popularity: {
+      order: 'desc',
+    }
+  };
+
+  return view;
+};