| 
					
						
						| 
								ArgentinaArmeniaAustraliaBahrainBelgium (Flemish)BotswanaBulgariaChileChinese TaipeiCyprusEgyptEnglandEstoniaGhanaHong Kong, SARHungaryIndonesia | 
								Iran, Islamic Republic ofIsraelItalyJapanJordanKorea, Republic ofLatviaLebanonLithuaniaMacedonia, Republic ofMalaysiaMoldovaMoroccoNetherlandsNew ZealandNorwayPalestinian National Authority | 								
								PhilippinesRomaniaRussian FederationSaudi Arabia Scotland SerbiaSingapore Slovak Republic Slovenia South Africa Sweden Syrian Arab RepublicTunisia United States Yemen, Republic of  |  
							| Benchmarking Participants
								 Basque Country, Spain Indiana State, United States Ontario Province, Canada Quebec Province, Canada | Legend
							
								fourth gradeeighth grade  |  | 
	
	 © 2011 International Association for the Evaluation of Educational Achievement (IEA)