diff --git a/types/country-data/country-data-tests.ts b/types/country-data/country-data-tests.ts
index c51b60a5d7..c69e4744ac 100644
--- a/types/country-data/country-data-tests.ts
+++ b/types/country-data/country-data-tests.ts
@@ -7,6 +7,7 @@ lib.continents.africa.countries; // $ExpectType ReadonlyArray<Country>
 lib.countries.all; // $ExpectType ReadonlyArray<Country>
 lib.countries.BY; // $ExpectType Country
 lib.currencies.all; // $ExpectType ReadonlyArray<Currency>
+lib.currencies.USD; // $ExpectType Currency
 lib.languages.all; // $ExpectType ReadonlyArray<Language>
 lib.regions.antarctica; // $ExpectType Region
 lib.regions.antarctica.countries; // $ExpectType ReadonlyArray<string>
diff --git a/types/country-data/index.d.ts b/types/country-data/index.d.ts
index b770775a2f..1250b58001 100644
--- a/types/country-data/index.d.ts
+++ b/types/country-data/index.d.ts
@@ -1,6 +1,7 @@
 // Type definitions for country-data 0.0
 // Project: https://github.com/OpenBookPrices/country-data
 // Definitions by: Logan Dam <https://github.com/biltongza>
+//                 Mike MacCana <https://github.com/mikemaccana>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.6
 
@@ -20,6 +21,7 @@ export interface Currency {
     readonly code: string;
     readonly decimals: number;
     readonly name: string;
+    readonly symbol: string;
     readonly number: number;
 }
 
@@ -66,6 +68,8 @@ export const callingCountries: {
 };
 
 export const currencies: {
+    readonly [key: string]: Currency;
+} & {
     readonly all: ReadonlyArray<Currency>;
 };