Source code available on github: https://github.com/dresken/dw_ratings
You should not reference this page, it is just a calculator. Please use the following as a reference for the information: http://guide.doctorwhonews.net/info.php?detail=ratings

Original Sources

Ratings averages

Season/Series Av. Rating (millions) Math 2nd Episode Drop Episodes Source
season18.08(4.4 + 5.9 + 6.9 + 6.4 + 6.9 + 6.4 + 8.9 + 9.9 + 9.9 + 10.4 + 10.4 + 10.4 + 9.9 + 9.4 + 9.4 + 9.4 + 9.9 + 9.4 + 8.4 + 10.4 + 9.9 + 9.4 + 9.9 + 10.4 + 7.9 + 6.9 + 7.4 + 7.4 + 7.9 + 7.4 + 7.9 + 6.9 + 7.4 + 5.5 + 6.9 + 6.9 + 6.9 + 6.9 + 6.9 + 6.4 + 6.9 + 6.4) / 421.5 (0.34%)1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 420
season210.46(8.4 + 8.4 + 8.9 + 11.4 + 12.4 + 11.9 + 11.9 + 11.4 + 12.4 + 12 + 13 + 13 + 11.5 + 10 + 12 + 13.5 + 12.5 + 12.5 + 13 + 12 + 11.5 + 10.5 + 8.5 + 9 + 9.5 + 10.5 + 9.2 + 8.5 + 8.5 + 10 + 9.5 + 9 + 9.5 + 9 + 9.5 + 8.9 + 8.8 + 7.7 + 8.3) / 390 (0.00%)43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 810
season37.65(9 + 9.5 + 11.3 + 9.9 + 8.3 + 8.3 + 8.1 + 8.7 + 8.3 + 9.1 + 9.8 + 10.3 + 9.5 + 9.9 + 9.1 + 7.9 + 9.6 + 9.2 + 9.5 + 9.8 + 8.6 + 8 + 6 + 5.9 + 5.8 + 5.5 + 6.9 + 6.2 + 7.3 + 8 + 8 + 9.4 + 7.8 + 6.5 + 6.6 + 6.2 + 5.7 + 4.8 + 5.6 + 5 + 4.5 + 5.4 + 4.7 + 5.3 + 5.5) / 450.5 (0.06%)82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 1260 100
season47.10(4.3 + 4.9 + 4.2 + 4.5 + 5.5 + 6.4 + 7.6 + 7.5 + 7.9 + 7.8 + 7.5 + 7.8 + 8 + 7.8 + 6.7 + 6.8 + 7.4 + 7.3 + 8.3 + 7.5 + 7.1 + 7 + 8.1 + 8.9 + 8.2 + 8.1 + 8 + 7.9 + 8.5 + 8.4 + 8 + 6.4 + 7.9 + 6.9 + 7.1 + 8 + 8.1 + 7.5 + 6.1 + 5.3 + 5.1 + 6.8 + 6.1) / 430.6 (0.14%)127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169100
season57.23(6 + 6.4 + 7.2 + 7.4 + 6.3 + 6 + 7.1 + 7.1 + 7.2 + 7.4 + 6.7 + 7.1 + 7.4 + 7.3 + 8 + 7.5 + 6.8 + 7.6 + 7.1 + 7.8 + 6.9 + 8.3 + 7.2 + 6.8 + 7 + 8.4 + 8 + 8.3 + 8.2 + 7.9 + 7.7 + 6.6 + 5.9 + 6.9 + 7.2 + 6.9 + 7.5 + 8.6 + 6.8 + 6.5) / 400.4 (0.07%)170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209100 200
season66.38(6.1 + 5.9 + 5.4 + 7.5 + 5.9 + 6.6 + 6.5 + 7.2 + 7.3 + 6.7 + 7.3 + 7.1 + 7.1 + 6.4 + 6.7 + 6.5 + 7.2 + 7 + 9 + 8.4 + 7.5 + 7.1 + 6.6 + 6.8 + 7.5 + 7.1 + 7.6 + 7.7 + 5.8 + 6.8 + 6.4 + 5.8 + 5.5 + 5.3 + 5.5 + 6.3 + 5.1 + 5.7 + 5.1 + 4.2 + 4.9 + 3.5 + 4.1 + 5) / 44-0.2 (-0.03%)210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253200
season77.17(8.4 + 8.1 + 8.3 + 8.1 + 8.8 + 7.3 + 7.5 + 8.2 + 7.5 + 7.2 + 7.5 + 7.1 + 7.6 + 8 + 9.3 + 7.1 + 6.9 + 6.4 + 5.7 + 5.9 + 4.8 + 6 + 5.4 + 6.7 + 5.5) / 25-0.3 (-0.04%)254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278200
season87.96(7.3 + 8 + 8.1 + 8.4 + 6.1 + 8.8 + 7.5 + 7.4 + 7.6 + 7.3 + 7.3 + 8 + 6.4 + 7.8 + 7.6 + 8.5 + 9.5 + 8.1 + 8.8 + 8.7 + 9.2 + 8 + 8.1 + 8.1 + 8.3) / 250.7 (0.10%)279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303200 300
season98.30(9.8 + 10.4 + 9.1 + 9.1 + 10.3 + 11 + 7.8 + 8.4 + 6.4 + 9.7 + 8.3 + 7.8 + 8.3 + 8.5 + 9.1 + 7.8 + 7.9 + 7.5 + 7.9 + 6.5 + 7.6 + 7.4 + 8.1 + 7.6 + 6 + 7.6) / 260.6 (0.06%)304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329300
season108.90(9.6 + 10.8 + 8.8 + 11.9 + 10.3 + 11 + 7.8 + 8.4 + 9.1 + 7.8 + 7.5 + 7.1 + 7.7 + 8.9 + 11 + 10.7 + 10.1 + 8.3 + 9.7 + 8.5 + 9.2 + 7.2 + 7.8 + 6.8 + 8.3 + 7) / 261.2 (0.13%)330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355300
season118.78(8.7 + 7 + 6.6 + 10.6 + 11 + 10.1 + 11 + 9 + 9 + 7.5 + 8.1 + 9.5 + 10.5 + 9.5 + 9.2 + 6.8 + 7.4 + 7.2 + 7.5 + 8.1 + 10.1 + 8.9 + 8.8 + 8.2 + 9.2 + 8.9) / 26-1.7 (-0.20%)356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381300
season1210.00(10.8 + 10.7 + 10.1 + 9 + 9.4 + 13.6 + 11.2 + 10.2 + 11 + 10.5 + 10.7 + 10.5 + 8.5 + 8.8 + 9.8 + 9.1 + 9.5 + 8.3 + 8.9 + 9.4) / 20-0.1 (-0.01%)382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401300 400
season1310.14(8.4 + 6.1 + 8.2 + 7.2 + 10.4 + 9.9 + 9.1 + 10.1 + 10.5 + 11.3 + 9.4 + 11.7 + 11.9 + 11.3 + 12.1 + 11.4 + 9.5 + 9.3 + 10.1 + 10.2 + 11.4 + 11.4 + 10.3 + 11.1 + 9.9 + 11.5) / 26-2.3 (-0.27%)402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427400
season1411.06(8.3 + 9.8 + 9.2 + 10.6 + 10.5 + 10.2 + 11.1 + 12 + 11.8 + 12.1 + 13 + 11.8 + 10.7 + 11.1 + 11.3 + 11.7 + 12.1 + 12.4 + 13.1 + 12.6 + 11.3 + 9.8 + 10.2 + 11.4 + 10.1 + 9.3) / 261.5 (0.18%)428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453400
season158.98(6.8 + 7.1 + 9.8 + 9.9 + 8.6 + 7.3 + 7.5 + 8.3 + 6.7 + 7.5 + 7.9 + 9.1 + 8.5 + 9.5 + 8.9 + 8.4 + 8.9 + 9.1 + 8.9 + 11.7 + 11.2 + 11.4 + 9.5 + 10.9 + 10.3 + 9.8) / 260.3 (0.04%)454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479400
season168.57(8.3 + 8.1 + 7.9 + 8.2 + 9.1 + 7.4 + 8.2 + 8.4 + 8.6 + 6.6 + 9.3 + 7.6 + 8.5 + 10.1 + 8.9 + 9 + 6.5 + 12.4 + 8.9 + 9.9 + 7.5 + 8.8 + 7.8 + 8.6 + 8.6 + 9.6) / 26-0.2 (-0.02%)480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505400 500
season1711.21(13 + 12.7 + 13.8 + 14.4 + 12.4 + 14.1 + 15.4 + 16.1 + 9.3 + 10.8 + 10.2 + 9.6 + 8.7 + 9.6 + 9.6 + 9.4 + 6 + 8.8 + 9.8 + 10.4) / 20-0.3 (-0.02%)506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 523, 524, 525500
season185.80(5.9 + 5 + 5 + 4.5 + 5 + 4.2 + 4.7 + 4.7 + 5.9 + 3.7 + 5.9 + 5.5 + 5.8 + 5.3 + 4.4 + 5.4 + 7.1 + 6.7 + 8.3 + 7.8 + 7.6 + 6.1 + 5.2 + 6.1 + 7.1 + 7.7 + 5.8 + 6.1) / 28-0.9 (-0.15%)526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539, 540, 541, 542, 543, 544, 545, 546, 547, 548, 549, 550, 551, 552, 553500
season199.23(9.1 + 8.6 + 10.2 + 10.4 + 8.4 + 8.8 + 8.8 + 9.4 + 8.4 + 9.4 + 8.5 + 8.9 + 9.1 + 9.3 + 9.9 + 10.1 + 9.9 + 10.1 + 9.1 + 8.8 + 9.8 + 9.6 + 10 + 8.5 + 8.9 + 8.1) / 26-0.5 (-0.05%)554, 555, 556, 557, 558, 559, 560, 561, 562, 563, 564, 565, 566, 567, 568, 569, 570, 571, 572, 573, 574, 575, 576, 577, 578, 579500
season207.03(7.2 + 7.3 + 6.9 + 7.2 + 6.7 + 7.7 + 6.6 + 7.4 + 6.5 + 7.5 + 7.4 + 7.7 + 6.8 + 7.5 + 6.5 + 7.4 + 6.6 + 7.2 + 6.2 + 7.3 + 5.8 + 7.2) / 220.1 (0.01%)580, 581, 582, 583, 584, 585, 586, 587, 588, 589, 590, 591, 592, 593, 594, 595, 596, 597, 598, 599, 600, 601500 600
special19837.70(7.7) / 1-602600
season217.18(7.6 + 7.5 + 7.3 + 6.6 + 7.9 + 6.6 + 8 + 5.8 + 7.8 + 5.6 + 7.3 + 8 + 7.4 + 6.1 + 7.4 + 7 + 6.9 + 6.6 + 7.8 + 7.8 + 7.6 + 7.4 + 7 + 7.3) / 24-0.1 (-0.01%)603, 604, 605, 606, 607, 608, 609, 610, 611, 612, 613, 614, 615, 616, 617, 618, 619, 620, 621, 622, 623, 624, 625, 626600
season227.12(8.9 + 7.2 + 7.2 + 7 + 6.3 + 7.3 + 6.6 + 6 + 6.9 + 6.7 + 7.4 + 7.4 + 7.7) / 13-1.7 (-0.19%)627, 628, 629, 630, 631, 632, 633, 634, 635, 636, 637, 638, 639600
season234.80(4.9 + 4.9 + 3.9 + 3.7 + 4.8 + 4.6 + 5.1 + 5 + 5.2 + 4.6 + 5.3 + 5.2 + 4.4 + 5.6) / 140 (0.00%)640, 641, 642, 643, 644, 645, 646, 647, 648, 649, 650, 651, 652, 653600
season244.87(5.1 + 4.2 + 4.3 + 4.9 + 4.5 + 5.2 + 5 + 5 + 5.3 + 5.1 + 5.4 + 5.5 + 4 + 4.7) / 14-0.9 (-0.18%)654, 655, 656, 657, 658, 659, 660, 661, 662, 663, 664, 665, 666, 667600
season255.34(5.5 + 5.8 + 5.1 + 5 + 5.3 + 4.6 + 5.3 + 6.1 + 5.2 + 5.2 + 5 + 5.3 + 4.8 + 6.6) / 140.3 (0.05%)668, 669, 670, 671, 672, 673, 674, 675, 676, 677, 678, 679, 680, 681600
season264.15(3.1 + 3.9 + 3.6 + 4 + 4.2 + 4 + 4 + 4.3 + 4 + 4 + 4.2 + 5 + 4.8 + 5) / 140.8 (0.26%)682, 683, 684, 685, 686, 687, 688, 689, 690, 691, 692, 693, 694, 695600
movie9.08(9.08) / 1-696600
series17.95(10.81 + 7.97 + 8.86 + 7.63 + 7.98 + 8.63 + 8.01 + 8.06 + 7.11 + 6.86 + 7.68 + 6.81 + 6.91) / 13-2.84 (-0.26%)697, 698, 699, 700, 701, 702, 703, 704, 705, 706, 707, 708, 709600 700
series27.72(8.62 + 9.24 + 8.31 + 7.9 + 9.22 + 7.64 + 6.76 + 6.32 + 6.08 + 6.66 + 7.14 + 8.19 + 8.22) / 130.62 (0.07%)711, 712, 713, 714, 715, 716, 717, 718, 719, 720, 721, 722, 723700
series37.55(8.71 + 7.23 + 8.4 + 6.69 + 6.97 + 7.19 + 7.41 + 7.74 + 7.21 + 6.62 + 7.84 + 7.51 + 8.61) / 13-1.48 (-0.17%)725, 726, 727, 728, 729, 730, 731, 732, 733, 734, 735, 736, 737700
series48.05(9.14 + 9.04 + 7.5 + 7.06 + 6.53 + 7.33 + 8.41 + 6.27 + 7.84 + 8.05 + 8.09 + 8.78 + 10.57) / 13-0.1 (-0.01%)739, 740, 741, 742, 743, 744, 745, 746, 747, 748, 749, 750, 751700
specials200911.49(13.1 + 9.74 + 10.32 + 12.04 + 12.27) / 5-3.36 (-0.26%)752, 753, 754, 755, 756700
series57.70(10.08 + 8.42 + 7.82 + 8.59 + 8.5 + 7.68 + 7.55 + 6.49 + 7.49 + 6.76 + 6.44 + 7.58 + 6.7) / 13-1.66 (-0.16%)757, 758, 759, 760, 761, 762, 763, 764, 765, 766, 767, 768, 769700
series67.52(8.86 + 7.3 + 7.85 + 7.97 + 7.35 + 6.72 + 7.51 + 8.1 + 7.07 + 7.6 + 6.77 + 6.93 + 7.67) / 13-1.56 (-0.18%)771, 772, 773, 774, 775, 776, 777, 778, 779, 780, 781, 782, 783700
series77.44(8.33 + 7.57 + 8.42 + 7.67 + 7.82 + 8.44 + 7.45 + 7.37 + 6.61 + 6.52 + 6.47 + 6.64 + 7.45) / 13-0.76 (-0.09%)785, 786, 787, 788, 789, 791, 792, 793, 794, 795, 796, 797, 798700
specials201311.97(12.8 + 11.14) / 2-1.66 (-0.13%)799, 800700 800
series87.26(9.17 + 7.29 + 7.28 + 7.01 + 6.99 + 6.82 + 6.91 + 7.11 + 6.71 + 6.92 + 7.34 + 7.6) / 12-1.88 (-0.21%)801, 802, 803, 804, 805, 806, 807, 808, 809, 810, 811, 812800
series96.04(6.54 + 5.71 + 5.63 + 6.05 + 6.56 + 6.11 + 5.76 + 6.03 + 5.61 + 6.06 + 6.19 + 6.17) / 12-0.83 (-0.13%)814, 815, 816, 817, 818, 819, 820, 821, 822, 823, 824, 825800
series105.46(6.68 + 5.98 + 5.61 + 5.73 + 5.27 + 5.53 + 5.79 + 4.82 + 5.02 + 4.73 + 5 + 5.3) / 12-0.7 (-0.10%)828, 829, 830, 831, 832, 833, 834, 835, 836, 837, 838, 839800
series11~10.90(10.9) / 1-841, INCOMPLETE800