| 3/4 of the 20,833,000 Sikhs in India live in the state of Punjab. Nearly 3/4 of the 8,870,000 Buddhists in India live in the state of Maharashtra. |
| The unreached Parsee, found in 12 countries with over 165,000 in total, practice Zoroastrianism. |
| Five countries have more than 500 people groups, with India exceeding 2500. |
| There are 1,364 primarily Christian groups in the 10/40 Window, the largest being the Yoruba of Nigeria (34,650,000). |
| The largest Muslim people group is the Shaikh of Bangladesh, population 136,000,000. |
| The largest Hindu group is the Brahmin of India, population 59,200,000. |
| The largest group without even Scripture portions in their primary language is the Jin Chinese of China, population 62,000,000. |
| 28 of the 73 people groups in Afghanistan do not have even Bible portions available in their primary language. |
| There are some 458,000 villages in India with no known Christian presence. |
| South Asia has the most least-reached people groups (3,406), followed by Southeast Asia (709). The South Pacific has the fewest at 54. |
| Hindi is spoken as the primary language by 601 people groups, with English spoken by 536 and Bengali spoken by 393. |
| 11,081 people groups have the New Testament available in their primary language, totaling 6,737,000,000 individuals. |
| 3,139,000,000 individuals live in people groups (7,078) with very few, if any, believers. |
| The 21st Edition of the Ethnologue indicates there are 7,097 languages in the world, with roughly 1/3 in danger of not surviving. 23 languages account for more than half the world's population. |
| The Mumbai district of Maharashtra state in India has over 10,000,000 residents, more than many countries of the world. |
| South Asia has more than four times as many unreached people groups (3,406) as any other region of the world. |
| East and Southern Africa is the least urbanized (31%) region of the world. (World Factbook 2011) |
| Southeast Asia has 539 languages (15,050,000 speakers) without scripture, Jesus film, Gospel recordings, or God's Story video. |
| Northeast Asia has 154 languages (75,000,000 speakers) without scripture, Jesus film, Gospel recordings, or God's Story video. |
| If the India state of Uttar Pradesh were a country, it would be the 5th most populous in the world. (Operation World 2010). |
| In 2015, 53% of the world's population was urban (World Factbook). |
| The top 10 countries with the largest Christian populations include all of the "BRIC" countries (Brazil, Russia, India and China). (Operation World 2010) |
| Iran is the country with the fastest growing Evangelical population at 19.6% annual growth. (Operation World 2010). |
| Of the 8,300 groups whose populations are under 10,000, the total number of individuals is less than 24,000,000. |
| 351 of the 542 people groups in China do not have even Bible portions available in their primary language. |
| Indonesia has the greatest population of Muslim groups (232,000,000), followed by Pakistan (193,000,000) and India (176,000,000). |
| 2,458 people groups in the world do not have Scripture portions or audio recordings available in their primary language, comprising 154,000,000 individuals. |
| 2,159 people groups in the 10/40 Window have neither Scripture portions or the Jesus film available in their primary language, comprising 195,000,000 individuals. |
| 3,406 people groups in South Asia are least-reached, totaling 1,654,000,000 individuals. |
| 366 people groups in Central Asia are least-reached, totaling 264,000,000 individuals. |
| South Asia has the most people groups (3,811), followed by West and Central Africa (2,226), and Central Asia has the least (540). |
| The median population of all people groups for which Joshua Project has population values is 11,632. The mean population is 445,565. |
| The largest people cluster is the Chinese (1,327,000,000), followed by the Hindi (367,000,000), and then Hispanic (355,000,000). |
| The Hindi people cluster has the greatest number of unreached groups (366, unreached population 389,000,000), then the Bengali (354, unreached population 348,000,000). |
| Only 60 people groups comprise 50% of the world's population. |
| Of Nigeria's 543 people groups, 107 do not have Bible portions, the Jesus film, or gospel recordings available in their primary language, or 1,671,000 individuals. |
| Central Asia has only 928,000 evangelicals, followed by the Middle East and North Africa (4,175,000) and Eastern Europe and Eurasia (5,230,000). |
| Census data indicates there are some 20,833,000 Sikhs in India, and 4,452,000 Jains. |
| Northeast Asia has the highest number of individuals practicing Animism (68,500,000), followed by East and Southern Africa (47,000,000). (Operation World 2010) |
| 2,391 people groups totaling 136,000,000 individuals have neither Scripture, the Jesus film, or Christian recordings available in their primary language. |
| North America and the Caribbean have the most Evangelicals (100,500,000), followed by East and Southern Africa (100,100,000). (Operation World 2010) |
| There are 897 Muslim majority people groups over 100,000 in size. |
| There are 711 Hindu majority people groups over 100,000 in size. |
| There are 125 Buddhist majority people groups over 100,000 in size. |
| There are 1,206 Christian majority people groups over 100,000 in size. |
| The Muslim Shaikh have a combined population of over 234,000,000 (Bangladesh, Pakistan, India, Nepal). |
| The Mandarin Chinese have a combined population of over 855,000,000 (all countries of residence). |
| The Gond of India speak 107 languages, and the Rajput speak 97. |
| Evangelicals are growing at an annual rate of 2.6%, compared to Islam at 1.9% and Hinduism at 1.2% (Operation World 2010) |
| The global annual growth rate of Christianity in general is 1.2%, but the growth rate of Evangelicals is 2.6% (Operation World 2010) |
| The Nai of India have 93 alternate names, and the Kalal have 86 alternate names. |
| Some 65-70% of the world's population live in religiously restrictive countries. |
| 2,057 people groups reside in more than one country, summing to 6,270,000,000 individuals. |
| 10,704 people groups have the Jesus Film in their primary language, totaling 6,942,000,000 individuals. |
| Indonesia has the most people groups (527) whose primary language does not have Bible portions, totaling 29,500,000 individuals. |
| China has the largest number of individuals whose primary language does not have Bible portions (149,300,000 individuals). |
| Nigeria has 328 people groups (18,900,000 individuals) whose primary language does not have Bible portions available. |
| India has 2,291 least-reached groups, followed by China (446), and Pakistan (408). |
| Of India's 2,550 people groups, 1,496 have populations over 10,000, the largest being a Muslim group, the Shaikh at 84,500,000. |
| Papua New Guinea has the largest number of groups whose primary religion is Christianity (803), followed by Indonesia with 375. |
| India has the largest number of groups whose primary religion is Islam (395), followed by Pakistan with 330 and Indonesia with 251. |
| The United States has the largest population of groups whose primary religion is Christianity (305,000,000), followed by Brazil (209,000,000). |
| All but four small groups of Sri Lanka's 161 people groups have at least Bible portions available in their primary language. |
| 527 of Indonesia's 784 people groups do not have even Bible portions available in their primary language. The largest of these is the Betawi, 7,000,000. |
| Of Iran's 97 people groups, all but 10 are least-reached, and all of these 10 expatriate groups. |
| 10 of Sudan's 162 people groups have Christianity as their primary religion, and 130 have Islam as their primary religion. |
| The United States, China, Brazil and Nigeria have the greatest number of evangelicals according to Operation World 2010. Kenya has the highest percent evangelicals at 48.9%. |
| Nearly one third (2.4 billion individuals) of the earth's population reside in only 250 Least-Reached people groups. |
| There are seven Least-Reached people groups each over 50,000,000 in population, the largest being the Shaikh of Bangladesh (136,400,000). |
| The four largest Least-Reached people groups are the Shaikh of Bangladesh, Japanese of Japan, the Shaikh of India, and the Brahmin of India. |
| The largest Least-Reached group in Central Asia without Scripture, Jesus film, or audio recordings is the Zaza-Dimli of Turkey, with 1,667,000 people. |
| The largest Least-Reached group in the Middle East / North Africa without Scripture, Jesus film, or audio recordings are the Saudi - Najdi Arabs, with 13,086,000 people. |
| The largest Least-Reached group in Southeast Asia without Scripture, Jesus film, or audio recordings is the Kedah Malay of Malaysia, with 3,100,000 people. |
| The largest Least-Reached group in Northeast Asia without Scripture, Jesus film, or audio recordings is the Guibian Zhuang of China, with 1,075,000 people. |
| Russia has 70 Muslim people groups, the largest of which is the Tatars, with 5,333,000 people. |
| France has 32 Muslim people groups, the largest of which is the Kabyle Berbers, with 712,000 people. |