Table 2. Trends in average mathematics scores of fourth- and eighth-grade students, by country: 1995 to 2007
Grade four |
Grade eight |
Country |
Average score |
Difference1 |
Country |
Average score |
Difference1 |
1995 |
2007 |
2007-1995 |
1995 |
2007 |
2007-1995 |
England | 484 | 541 | 57* | Colombia | 332 | 380 | 47* |
Hong Kong SAR2 | 557 | 607 | 50* | Lithuania | 472 | 506 | 34* |
Slovenia | 462 | 502 | 40* | Korea, Rep. of | 581 | 597 | 17* |
Latvia3 | 499 | 537 | 38* | United States4, 5 | 492 | 508 | 16* |
New Zealand | 469 | 492 | 23* | England4 | 498 | 513 | 16* |
Australia | 495 | 516 | 22* | Slovenia | 494 | 501 | 7* |
Iran, Islamic Rep. of | 387 | 402 | 15* | Hong Kong SAR2, 4 | 569 | 572 | 4 |
United States4, 5 | 518 | 529 | 11* | Cyprus | 468 | 465 | -2 |
Singapore | 590 | 599 | 9 | Scotland4 | 493 | 487 | -6 |
Scotland4 | 493 | 494 | 1 | Hungary | 527 | 517 | -10* |
Japan | 567 | 568 | 1 | Japan | 581 | 570 | -11* |
Norway | 476 | 473 | -3 | Russian Federation | 524 | 512 | -12 |
Hungary | 521 | 510 | -12* | Romania | 474 | 461 | -12* |
Netherlands6 | 549 | 535 | -14* | Australia | 509 | 496 | -13* |
Austria | 531 | 505 | -25* | Iran, Islamic Rep. of | 418 | 403 | -15* |
Czech Republic | 541 | 486 | -54* | Singapore | 609 | 593 | -16* |
| | | | Norway | 498 | 469 | -29* |
| | | | Czech Republic | 546 | 504 | -42* |
| | | | Sweden | 540 | 491 | -48* |
| | | | Bulgaria | 527 | 464 | -63* |