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330 appendix c: percentiles and standard deviations of reading achievement
Exhibit C.3 Percentiles Exhibit of Achievement C.3: Percentiles in Literary of Achievement Reading in Literary Reading
( ) Standard errors appear in parentheses. Because results are rounded to the nearest
whole number, some totals may appear inconsistent.
PIRLS 2006
4th Grade
Countries 5th percentile 25th percentile 50th percentile 75th percentile 95th percentile
Austria 427 (4.1) 498 (3.4) 541 (2.9) 580 (2.8) 633 (3.5)
Belgium (Flemish) 445 (4.0) 508 (2.2) 546 (1.9) 583 (3.6) 635 (3.6)
Belgium (French) 383 (6.8) 455 (2.8) 503 (3.3) 546 (3.2) 606 (3.4)
Bulgaria 391 (7.7) 492 (4.6) 548 (4.3) 599 (5.4) 670 (4.8)
Canada, Alberta 439 (4.1) 516 (3.8) 564 (2.2) 609 (2.7) 674 (4.5)
Canada, British Columbia 436 (3.0) 512 (3.7) 562 (3.1) 608 (3.9) 674 (4.3)
Canada, Nova Scotia 406 (5.9) 495 (3.4) 547 (2.4) 596 (2.3) 662 (3.6)
Canada, Ontario 428 (6.6) 508 (3.4) 557 (2.9) 605 (3.4) 675 (5.6)
Canada, Quebec 420 (4.4) 488 (4.9) 533 (3.4) 574 (3.6) 628 (4.3)
Chinese Taipei 409 (3.2) 488 (3.1) 534 (2.2) 577 (2.0) 638 (3.1)
Denmark 422 (6.0) 507 (3.2) 554 (2.0) 594 (1.6) 649 (1.8)
England 382 (5.5) 483 (2.3) 544 (3.7) 600 (2.6) 679 (5.4)
France 402 (4.0) 474 (3.1) 519 (2.4) 562 (2.6) 620 (4.2)
Georgia 347 (5.6) 426 (3.2) 479 (4.2) 530 (4.2) 595 (4.3)
Germany 431 (5.4) 510 (1.6) 555 (3.0) 594 (3.5) 647 (3.4)
Hong Kong SAR 446 (3.2) 517 (4.3) 560 (2.5) 601 (2.3) 657 (3.4)
Hungary 435 (4.2) 513 (4.1) 560 (2.7) 604 (2.5) 665 (3.6)
Iceland 397 (2.6) 474 (2.9) 519 (1.9) 560 (2.6) 615 (5.5)
Indonesia 265 (10.3) 344 (3.6) 400 (4.4) 452 (4.5) 522 (4.7)
Iran, Islamic Rep. of 262 (8.1) 360 (3.8) 432 (4.1) 496 (3.0) 574 (5.2)
Israel 334 (13.5) 457 (6.5) 530 (2.8) 584 (3.6) 658 (4.6)
Italy 425 (9.3) 504 (3.2) 554 (3.5) 603 (3.6) 669 (6.9)
Kuwait 165 (7.5) 264 (5.3) 341 (3.3) 417 (3.1) 517 (5.5)
Latvia 430 (8.2) 499 (3.5) 543 (1.8) 582 (2.7) 638 (3.2)
Lithuania 441 (4.1) 504 (2.1) 543 (2.7) 582 (3.3) 635 (3.8)
Luxembourg 437 (3.3) 512 (2.4) 557 (1.3) 601 (1.7) 663 (3.2)
Macedonia, Rep. of 275 (8.6) 368 (4.7) 443 (3.8) 511 (5.4) 590 (3.4)
Moldova, Rep. of 371 (6.1) 449 (3.9) 497 (2.8) 538 (3.9) 599 (6.4)
Morocco 128 (10.8) 234 (5.6) 316 (6.8) 402 (8.4) 507 (7.1)
Netherlands 448 (3.5) 508 (2.0) 547 (2.6) 583 (2.9) 635 (3.4)
New Zealand 373 (3.5) 473 (2.8) 534 (3.0) 588 (3.1) 658 (2.3)
Norway 382 (4.3) 460 (4.2) 506 (3.7) 547 (3.5) 602 (2.5)
Poland 387 (4.7) 472 (4.3) 529 (3.4) 577 (2.3) 645 (4.3)
Qatar 201 (5.7) 290 (2.2) 358 (2.0) 429 (2.4) 514 (3.5)
Romania 323 (10.4) 440 (7.2) 501 (5.4) 557 (3.9) 627 (3.3)
Russian Federation 440 (6.3) 517 (3.7) 565 (4.0) 608 (2.7) 670 (5.9)
Scotland 381 (5.1) 478 (4.0) 532 (3.7) 582 (2.5) 651 (5.2)
Singapore 408 (5.8) 502 (5.1) 557 (3.5) 608 (3.0) 673 (4.7)
Slovak Republic 398 (5.9) 491 (5.3) 541 (3.3) 584 (2.8) 642 (2.4)
Slovenia 396 (2.7) 476 (3.9) 525 (2.2) 567 (3.4) 625 (2.5)
South Africa 107 (3.7) 203 (4.0) 280 (4.5) 381 (8.5) 555 (10.9)
Spain 385 (4.0) 470 (3.7) 520 (2.1) 569 (3.0) 632 (4.8)
Sweden 437 (4.4) 508 (4.1) 550 (3.2) 588 (2.3) 640 (3.7)
Trinidad and Tobago 257 (9.6) 362 (9.2) 440 (4.4) 510 (5.2) 593 (4.4)
United States 403 (6.6) 492 (5.3) 546 (3.3) 595 (3.2) 660 (5.4)
SOURCE: IEA Progress in International Reading Literacy Study (PIRLS) 2006