Year                                     1800                1900                  1970         mid-2000     Trend        mid-2007                       2025
GLOBAL POPULATION  
1. Total population                               903,650,000  1,619,625,000  3,696,594,000  6,085,572,000    1.20      6,615,848,000      7,905,234,000  
2.  Urban dwellers                                   36,146,000     232,695,000  1,336,655,000  2,873,249,000    2.03      3,306,696,000      4,616,329,000  
3.  Rural dwellers                                  867,504,000  1,386,930,000  2,359,939,000  3,212,323,000    0.43      3,309,152,000      3,288,905,000  
4. Adult pop. (15+)                              619,000,000  1,073,621,000  2,315,770,000  4,257,127,000    1.62      4,763,408,000      5,995,477,000  
5.  Literates                                           123,800,000     296,146,000  1,478,531,000  3,263,248,000    1.67      3,664,358,000      5,053,723,000  
6.  Nonliterates                                     495,200,000     777,475,000     837,239,000     993,879,000    1.45       1,099,050,000        941,754,000  

WORLDWIDE EXPANSION OF CITIES  
7. Metropolises (100,000+ population)               40                   300                2,400                4,050    1.84                    4,600                   6,500  
8. Megacities (over 1 million population)               1                     20                   161                   402    1.94                       460                      650  
9. Urban poor                                           18 million        100 million       650 million    1,400 million    3.07             1,730 million  3,000 million  
10. Urban slumdwellers                              3 million          20 million       260 million       700 million    3.32                880 million  1,600 million  

GLOBAL POPULATION BY RELIGION
11. Total of all distinct organized religions         700                 1,000                6,000                 9,900    1.65                  11,100                15,000  
12. Christians (total all kinds)               204,980,000      558,153,000  1,238,712,000   2,015,551,000    1.23      2,195,529,000    2,685,650,000  
13. Muslims                                            90,500,000      199,914,000     548,097,000   1,199,609,000    1.81      1,359,745,000    1,811,108,000  
14. Hindus                                             108,000,000      203,003,000     462,429,000      807,631,000    1.37         888,300,000    1,077,600,000  
15. Nonreligious                                           300,000          3,024,000     532,397,000      775,629,000    0.21         787,236,000       813,884,000  
16. Chinese universists                         310,000,000      380,007,000     231,866,000      368,465,000    0.74         388,098,000       431,175,000  
17. Buddhists                                          69,400,000      127,077,000     233,004,000      364,657,000    0.82         386,023,000       453,040,000  
18. Ethnoreligionists                               92,000,000      117,537,000     163,889,000       241,362,000   1.21         262,502,000       285,885,000  
19. Atheists                                                   10,000             226,000     165,391,000       150,717,000   0.31         154,019,000       152,676,000  
20. New-Religionists (Neoreligionists)                  0          5,951,000        78,324,000       101,416,000  0.65         106,124,000        117,572,000  
21. Sikhs                                                   1,800,000          2,962,000        10,617,000        23,571,000  1.53            26,210,000          32,282,000  
22. Jews                                                    9,000,000        12,292,000        15,097,000       14,299,000   0.87            15,193,000         17,166,000  
23. Non-Christians                               698,670,000    1,061,472,000  2,457,882,000   4,070,021,000  1.19        4,420,319,000   5,219,584,000  

GLOBAL CHRISTIANITY  
24. Total Christians as % of world                   22.7                   34.5                   33.5                    33.1  0.03                      33.2                   34.0  
25. Affiliated Christians (members)     195,680,000      521,664,000   1,128,549,000   1,906,936,000  1.23       2,077,909,000   2,555,599,000  
26. Church attenders                            180,100,000       469,303,000     885,777,000   1,359,420,000  1.04       1,461,495,000   1,760,568,000  
27.  Evangelicals                                     25,000,000         71,726,000       98,358,000      224,559,000  2.04          258,669,000      348,648,000  
28.  Great Commission Christians         21,000,000         77,931,000     277,153,000      650,094,000  1.13          703,225,000      853,379,000  
29.  Pentecostals/Charismatics/Neocharismatics    0             981,000       72,223,000      525,599,000  1.98          602,792,000      798,320,000  
30. Average Christian martyrs per year          2,500               34,400            377,000             160,000  1.12                 173,000             210,000  

MEMBERSHIP BY 6 ECCLESIASTICAL MEGABLOCS   
31. Roman Catholics                             106,430,000      266,568,000     665,484,000    1,055,498,000  1.14      1,142,968,000   1,353,674,000  
32. Independents                                          400,000          7,931,000      96,926,000        377,830,000  2.12         437,673,000      602,190,000  
33. Protestants                                         30,980,000     103,025,000    211,054,000        346,889,000  1.53          385,815,000     497,703,000  
34. Orthodox                                            55,220,000     115,844,000    139,646,000        214,091,000  0.42          220,488,000     236,364,000  
35. Anglicans                                           11,910,000        30,571,000      47,409,000          75,335,000  1.33            82,632,000    109,690,000  
36. Marginal Christians                                  40,000             928,000      11,100,000          29,500,000  2.53            35,133,000      49,775,000  

MEMBERSHIP BY 6 CONTINENTS, 21 UN REGIONS  
37. Africa (5 regions)                                 4,330,000          8,756,000    117,138,000        353,225,000  2.40          417,001,000    634,611,000  
38. Asia (4 regions)                                    8,350,000        20,781,000      96,381,000        306,446,000  2.07          353,822,000    486,035,000  
39. Europe (including Russia 4 areas)    171,700,000      368,209,000    467,940,000        531,285,000  0.04          532,715,000    521,313,000  
40. Latin America (3 areas)                      14,900,000        60,027,000    263,561,000        479,475,000  1.31          525,162,000    634,198,000  
41. Northern America (1 area)                   5,600,000        59,570,000    168,942,000        215,593,000  0.52           223,621,000   252,793,000  
42. Oceania (4 ares)                                      100,000          4,322,000      14,586,000          20,909,000  1.16             22,668,000     26,642,000  

CHRISTIAN ORGANIZATIONS   
43. Denominations                                               500                1,900              18,800                 33,800  2.07                    39,000           55,000  
44. Congregations (worship centers)            150,000            400,000          1,450,000           3,448,000  1.50               3,826,000       5,000,000  
45. Service agencies                                              600                1,500               14,100                23,000  1.77                    26,000            36,000  
46.  Foreign-mission sending agencies                  200                   600                 2,200                  4,000  1.63                      4,480             6,000  

CONCILIARISM: ONGOING COUNCILS OF CHURCHES   
47. Confessional councils (CWCs, world level)     20                     40                    150                     310  1.75                         350                600  
48. International councils of churches                      0                     10                      36                       59  1.10                           64                  80  
49. National councils of churches                             0                     19                    283                    598  1.50                          660                870  
50. Local councils of churches                                  0                     70                 2,600                 9,000  2.20                     10,500           15,500  

CHRISTIAN WORKERS (clergy, laypersons)   
51. Nationals (all denominations)                  900,000         2,100,000          4,600,000        10,900,000  1.08               11,751,000   14,000,000  
52.  Men                                                        800,000         1,900,000          3,100,000          6,540,000  0.85                  6,939,000    8,000,000  
53.  Women                                                   100,000            200,000          1,500,000           4,360,000  1.42                 4,812,000    6,000,000  
54. Aliens (foreign missionaries)                    25,000               62,000             240,000              420,000  1.09                    453,000       550,000  
55.  Men                                                         21,000               47,000             160,000              240,000  0.47                    248,000       270,000  
56.  Women                                                      4,000               15,000               80,000              180,000  1.88                    205,000       280,000  

CHRISTIAN FINANCE (in US$, per year)  
57. Personal income of church members, $40 billion        270 billion       4,100 billion     15,230 billion  0.74           16,400 billion 26,000 billion  
58. Giving to Christian causes,                  $1 billion            8 billion            70 billion          270 billion  4.60                370 billion      870 billion  
59.  Churches' income,                         $ 950 million            7 billion            50 billion          108 billion  3.78                140 billion      300 billion  
60.  Parachurch and institutional income, $50million           1 billion            20 billion          162 billion  5.13                230 billion      570 billion  
61. Cost-effectiveness (cost per baptism, $)    7,500             17,500              128,000              330,000  2.80                    349,000         650,000  
62. Ecclesiastical crime,                            $  100,000            300,000           5,000,000            16 billion  5.77                  24 billion       65 billion  
63. Income of global foreign missions, $ 25,000,000     200,000,000           3.0 billion            15 billion  5.70                  22 billion       60 billion  
64. Computers in Christian use (numbers)             0                       0                  1,000         328 million  5.90                490 million 1,200 million  

CHRISTIAN LITERATURE (titles, not copies)   
65. Books about Christianity                        75,000             300,000           1,800,000           4,800,000  3.08                 6,175,000     11,800,000  
66. Christian periodicals                                    800                  3,500                23,000                35,000  4.30                      47,000         100,000  

SCRIPTURE DISTRIBUTION (all sources, per year)   
67. Bibles, p.a.                                            500,000           5,452,600         25,000,000         53,700,000  4.96               75,346,000  180,000,000  
68. Scriptures including gospels              1,500,000           20 million         281 million      4,600 million  1.07            4,720 million 6,000 million  
69. Bible density (copies in place)          20 million         108 million         443 million      1,400 million  1.97           1,600 million  2,280 million  

CHRISTIAN BROADCASTING   
70. Total monthly listeners/viewers                     0                         0        750,000,000    2,150,000,000  2.31       2,522,000,000  3,800,000,000  

CHRISTIAN URBAN MISSION
71. Non-Christian megacities                                1                         5                       65                     226  1.14                        245                    300  
72. New non-Christian urban dwellers per day  500                5,200                51,100              129,000  1.78                 146,000             200,000  
73. Urban Christians                                 5,500,000     159,600,000       660,800,000    1,160,000,000  1.59       1,295,000,000   1,720,000,000  

CHRISTIAN EVANGELISM   
74. Evangelism-hours per year               600 million            5 billion             25 billion          165 billion  3.86            220 billion         425 billion  
75. Hearer-hours (offers) per year         900 million          10 billion             99 billion          938 billion  6.23         1,430 billion      4,250 billion  
76. Disciple-opportunities (offers) per capita per year  
                                                       1                        6                        27                     154  4.95                       216                   538  

WORLD EVANGELIZATION   
77. Unevangelized population              674,350,000     879,672,000      1,641,300,000   1,722,011,000  1.03       1,850,402,000  2,156,012,000  
78. Unevangelized as % of world                      74.6                  54.3                      44.4                   28.3 -0.17                       28.0                  27.3  
79. World evangelization plans since AD 30     160                   250                       510                 1,500  2.80                      1,820                3,000  

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David B. Barrett, a contributing editor, works at the World Evangelization Research Center, Richmond, Virginia. Todd M. Johnson, a YWAM
missionary, works at Gordon-Conwell Theological Seminary, South Hamilton, Massachusetts. Definitions and capitalization conventions are derived
from the World Christian Encyclopedia (Oxford University Press, 1982; 2d ed., 2001) and World Christian Trends (William Carey Library, 2001).


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Source: International Bulletin of Missionary Research, January 2007. David B. Barrett & Todd M. Johnson.
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