This list if from Wikipedia so I'm not sure how accurate it is, but these are the sales thresholds for gold and platinum for different countries...

Country/
Territory
Certifying body Sales thresholds per award
Silver Gold Platinum Diamond
Argentina Argentine Chamber of Phonograms and Videograms Producers (CAPIF)[2] - 20,000
(20,000)
40,000
(40,000)
250,000
Australia Australian Recording Industry Association (ARIA)[3] - 35,000
(35,000)
70,000
(70,000)
-
Austria International Federation of the Phonographic Industry - Austria[4] - 10,000
(10,000)
20,000
(20,000)
-
Belgium International Federation of the Phonographic Industry - Belgium[5] - 10,000
(15,000)
20,000
(30,000)
-
Brazil Brazilian Association of Phonograph Producers (ABDP)[6] - 50,000
(30,000)
100,000
(60,000)
500,000
(250,000)
Bulgaria Bulgarian Association of Music Producers (BAMP)[7] - 15,000
(10,000)
30,000
(20,000)
-
Canada Canadian Recording Industry Association (CRIA)[8][9] - 40,000
(40,000)
80,000
(80,000)
800,000
(800,000)
Chile International Federation of the Phonographic Industry - Chile[10] - 7,500
(7,500)
15,000
(15,000)
-
China State Administration of Radio, Film, and Television[11] - 40,000
(15,000)
80,000
(30,000)
-
Colombia Colombian Association of Phonograph Producers (ASINCOL) - 10,000
(5,000)
20,000
(10,000)
-
Cyprus AllRecords - www.allrecords.com - 5,000 10,000 -
Czech Republic International Federation of the Phonographic Industry - Czech Republic - 7,500
(3,000)
15,000
(6,000)
-
Denmark International Federation of the Phonographic Industry - Denmark[12] - 15,000
(15,000)
30,000
(30,000)
-
Ecuador International Federation of the Phonographic Industry - Ecuador - 3,000
(3,000)
6,000
(6,000)
-
Egypt[I] International Federation of the Phonographic Industry - Egypt - 50,000
(5,000)
100,000
(10,000)
-
Finland International Federation of the Phonographic Industry - Finland[13] - 15,000
(10,000)
30,000
(20,000)
-
France National Syndicate of Phonographic Publishing (SNEP)[14] 35,000
(35,000)
75,000
(75,000)
200,000
(300,000)
750,000
(750,000)
Germany International Federation of the Phonographic Industry - Germany[15] - 100,000
(100,000)
200,000
(200,000)
-
Greece International Federation of the Phonographic Industry(IFPI)[16] - 15,000
(7,500)
30,000
(15,000)
-
Hong Kong International Federation of the Phonographic Industry - Hong Kong[17] - 15,000
(7,500)
30,000
(15,000)
-
Hungary[II] Association of Hungarian Record Companies (MAHASz)[18] - 7,500
(3,000)
15,000
(6,000)
-
India[III] Indian Music Industry (IMI)[19] - 100,000
(7,500)
200,000
(15,000)
-
Indonesia Recording Industry of Indonesia[20] - 75,000
(20,000)
150,000
(40,000)
-
Ireland Irish Recorded Music Association (IRMA)[21] - 7,500
(7,500)
15,000
(15,000)
-
Israel International Federation of the Phonographic Industry - Israel - 20,000 40,000 -
Italy Federation of the Italian Music Industry (FIMI)[20] - 35,000
(35,000)
70,000
(70,000)
350,000
(350,000)
Japan Recording Industry Association of Japan (RIAJ)[22] - 100,000
(100,000)
250,000
(250,000)
-
Latvia Latvian Music Producers Association (LaMPA)[23] - 8,000
(4,000)
15,000
(8,000)
-
Lebanon[I] International Federation of the Phonographic Industry - Lebanon - 20,000
(5,000)
40,000
(10,000)
-
Malaysia Recording Industry Association of Malaysia (RIAM)[24] - 10,000
(10,000)
20,000
(20,000)
-
Mexico[IV] Mexican Association of Phonograph Producers (AMPF)[25] - 40,000
(40,000)
80,000
(80,000)
400,000
(400,000)
Netherlands[V] The Dutch Association of Producers and Importers of Image and
Sound Carriers
(NVPI)[26]
- 30,000
(30,000)
60,000
(60,000)
-
New Zealand Recording Industry Association of New Zealand (RIANZ)[27] - 7,500
(7,500)
15,000
(15,000)
-
Norway International Federation of the Phonographic Industry - Norway[28] - 15,000
(15,000)
30,000
(30,000)
-
Paraguay International Federation of the Phonographic Industry - Paraguay - 5,000
(5,000)
10,000 -
Peru International Federation of the Phonographic Industry - Peru - 3,000
(3,000)
6,000
(6,000)
-
Philippines Philippine Recording Industry Music Association (PRIMA) - 12,500
(7,500)
25,000
(15,000)
-
Poland[VI] Polish Producers of Audio and Video (ZPAV)[29] - 15,000
(10,000)
30,000
(20,000)
150,000
(100,000)
Portugal Phonographic Association of Portugal (AFP)[30] - 10,000
(10,000)
20,000
(20,000)
-
Russia National Federation of Phonogram Producers (NFPP)[31] - 50,000
(10,000)
100,000
(20,000)
300,000
Singapore Recording Industry Association Singapore (RIAS)[32] - 6,000
(6,000)
12,000
(12,000)
-
Slovakia International Federation of the Phonographic Industry - Slovakia[33] - 3,000
(1,000)
6,000
(2,000)
-
Slovenia International Federation of the Phonographic Industry - Slovenia - 5,000
(5,000)
10,000
(10,000)
-
South Korea Recording Industry Association of Korea[34] - 8,000
(8,000)
15,000
(15,000)
-
Spain Producers of Spanish Music (PROMUSICAE)[35] - 40,000
(40,000)
80,000
(80,000)

Sweden[VII] International Federation of the Phonographic Industry - Sweden[36] - 20,000
(20,000)
40,000
(40,000)
-
Switzerland International Federation of the Phonographic Industry - Switzerland[37] - 15,000
(15,000)
30,000
(30,000)
-
Taiwan International Federation of the Phonographic Industry - Taiwan[38] - 20,000
(7,000)
40,000
(14,000)
-
Turkey Turkish Phonographic Industries Society (Mü-YAP)[39] - 100,000
(5,000)
200,000
(10,000)
300,000
(20,000)
Ukraine International Federation of the Phonographic Industry - Ukraine - 50,000
(25,000)
100,000
(50,000)
500,000
(100,000)
United Kingdom British Phonographic Industry (BPI)[40] 60,000 100,000 300,000 -
United States Recording Industry Association of America (RIAA)[41] - 500,000
(500,000)
1 million
(1 million)
10 million
(10 million)
Uruguay International Federation of the Phonographic Industry - Uruguay - 2,000
(2,000)
4,000
(4,000)
-
Venezuela Association of Venezuelan Phonograph Producers (APFV) - 5,000
(5,000)
10,000
(10,000)
-
International or multi-national agencies
Gulf States[I] International Federation of the Phonographic Industry - Gulf States - 15,000
(15,000)
30,000
(30,000)
-
South Africa
and Lesotho[VIII]
Recording Industry of South Africa (RISA)[42] - 20,000
(20,000)
40,000
(40,000)
-

Silver Gold Platinum Diamond
Sales thresholds per award