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Mission Question
How many Muslim people groups in Nigeria are unreached?
Answer ...

Missions Scripture
"Through whom we have received grace and apostleship to bring about the obedience of faith for the sake of his name among all the nations."

Unreached Peoples Fact
The United States has the largest population of groups whose primary religion is Christianity (284,000,000), followed by Brazil (190,000,000).

Stories from the Field
"I am a born again Christian, or at least I believed I was. But I recently realized that it was a sham. I do love the Lord, but he was not the Lord of ..." Continue

 
Definitions
10/40 Window Joshua Project Progress Scale
Affinity Bloc Language Group
Agency Progress Indicator (API) Least-Reached People Group
Christian Adherent Morelia Progress Scale
Church / Gathering of Disciples Original Joshua Project List
Church Planting Indicator (CPI) People Cluster / Gateway People
Ethnic Code People Group
Ethnic Peoples Tree Peoples-by-Country
Ethnic People Persecution Ranking
Ethno-Linguistic People Practicing Believer
Evangelical Prioritization Ranking
Gathering of Disciples / Church ROG, ROL, ROP Codes
Harvest Information System SEPAL Progress Indicator
Human Development Index Unreached People Group
 
Unreached People Profiles
 

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Photo Source: COMIBAM / Sepal
     
  10/40 Window Top
Source: Luis Bush and AD2000 & Beyond Movement

 
  Affinity Bloc Top
All people groups, who either live in a particular region or have similar cultural roots. Peoples are broadly grouped into 16 blocs with affinities based on language, culture, religion, politics. In nearly every Bloc there are widely dissimilar and unrelated linguistic minorities, but often there is one particular culture that is dominant.

Affinity Blocs are the top level of the ethnic peoples tree and coded as ROP1. For a diagram of the Ethnic Peoples tree click here. For a listing of all Affinity Blocs click here.

Click here to view Patrick Johnstone's PDF article about Affinity Blocs and People Clusters from Mission Frontiers Mar/Apr 2007.

Source: Patrick Johnstone and Joshua Project

 
  Agency Progress Indicator (API) Top
0 to 5 ranking of the progress of missions activity among a particular people group. Supporting data may or may not be available.

0 No agency commitment
1 At least one agency committed
2 At least one agency on-site
3 Multiple agencies involved
4 Functioning agency partnership
5 People with mission sending vision
Source: Patrick Johnstone

 

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Photo Source: Copyright © Create International. Used with permission.
    Christian Adherent Top
One who claims to be a follower of the Christian religion in any form. This definition is based on the individuals self-confession, not his or her ecclesiology, theology or religious commitment and experience. This includes professing and affiliated adults and also their children (practising and non-practising) who reside in a given area or country, or who are of a particular ethno-linguistic or ethno-cultural people in the listing below. This is the broadest possible classification of Christian and includes the six ecclesiological types of Christians: Protestant, Roman Catholic, Other Catholic, Orthodox, Foreign marginal, Indigenous marginal as defined in Operation World. Christian Adherent numbers include the Evangelicals subset.
Source: Operation World by Patrick Johnstone

 
    Church / Gatherings of Disciples Top
Usually written as "church" note lower case "c." A gathering of followers of Christ. Does not imply a building or specific location. A fellowship of believers committed to spiritual growth and mutual encouragement. Starting these fellowships is often called church planting.
Source: USCWM and Patrick Johnstone

 
    Church Planting Indicator (CPI) Top
0 to 5 ranking of the progress of church growth among a particular people group. Supporting data may or may not be available.

0 No known believers
1 No churches, some believers
2 One known church
3 Group of churches
4 Reproducing church movement
5 Widespread, discipled church
Source: Patrick Johnstone

 
   

Ethnic Code Top
A coding mechanism developed by the World Christian Encyclopedia for classifying people groups. Consists of six characters. An example is the Tajik culture code of CNT24g.

1st column = ethnicity. Example "C" = Caucasian
2nd column = geographical ethnicity. Example "N" = Indo-Iranian
3rd column = major culture area. Example "T" = Tan
4-5th columns = number identifying ethnocultural family
6th column = character identifying people within family

First Column Second Column Third Column
A = Australoid
B = Capoid
C = Caucasian
M = Mongolian (Mongoloid)
N = Negro (Negroid)
A = African
E = European
F = Afro-American
I = American Indian
L = Latin American
M = Middle Eastern
N = Indo-Iranian
O = Oceanic
P = Pacific
R = Arctic Mongoloid
S = Asian
U = Austro-Asiatic
Y = Early African
B = Black
G = Grey
N = Brown
R = Red
T = Tan
W = White
Y = Yellow

 
    Ethnic Peoples Tree Top
A hierachical structure classifying people groups. It is a four level tree structure starting with 16 Affinity Blocs, branching to 252 People Clusters, then to 9,871 People Groups and finally to 16,304 Peoples-by-Country.

Click here for a diagram of the Ethnic Peoples tree.

Click here to view Patrick Johnstone's PDF article about Affinity Blocs and People Clusters from Mission Frontiers Mar/Apr 2007.
Source: Joshua Project and Operation World by Patrick Johnstone

 

    Ethnic People Group Top
Groupings of individuals based primarily on ethnic or community boundaries. One ethnic group may speak any number of languages, because (a) many individuals are multi-lingual, and (b) language spoken often varies by location of the individuals in the group. Assumes the acceptance barrier is higher than the understandability barrier. Most appropriate for church planting and discipleship, but not highly appropriate for language-based outreaches. This approach is most needed in South Asia, where the caste system has produced strong community boundaries.
Source: Joshua Project

 
    Ethno-Linguistic People Group Top
Groupings of individuals based first of all on language spoken, but with the possibility of sub-divisions based upon dialect or cultural distinctives. One language group = one or more ethnic groups, using this method. Assumes the "understandability barrier" to the gospel message is higher than the "acceptance barrier". Appropriate for language-based out reaches of various kinds. More appropriate for church planting / discipleship than a strictly language group approach, because it recognizes understandability and acceptance barriers that a strictly language-based approach may be blind to. Not appropriate for church planting / discipleship activity when the acceptance barrier is higher than the understandability barrier. This approach is appropriate in most of the world, outside of South Asia.
Source: Joshua Project

 
    Evangelical Top
Followers of Christ who generally emphasize:

1.
The Lord Jesus Christ as the sole source of salvation through faith in Him.
2.
Personal faith and conversion with regeneration by the Holy Spirit.
3.
A recognition of the inspired Word of God as the only basis for faith and living.
4.
Commitment to biblical preaching and evangelism that brings others to faith in Christ.

Note: The definition of Evangelicals and the statistics relating to them are so fundamental to the contents of this website and book [Operation World] that it is important for the reader to understand the implications. It enables a measurement of the size and spectacular numerical growth of evangelical Christians over the last few decades.

The noun "Evangelical" is capitalized since it represents a body of Christians with a fairly clearly defined theology (as also Orthodox and Catholic bodies, etc.). Evangelicals are here defined as:

1 All affiliated Christians (church members, their children, etc.) of denominations that are evangelical in theology as defined above.

2 The proportion of the affiliated Christians in other denominations (that are not wholly evangelical in theology) who would hold evangelical views.

3 The proportion of affiliated Christians in denominations in non-Western nations (where doctrinal positions are less well defined) that would be regarded as Evangelicals by those in the above categories.

This is a theological and not an experiential definition. It does not mean that all Evangelicals as defined above are actually born-again. In many nations only 10-40% of Evangelicals so defined may have had a valid conversion and also regularly attend church services. However, it does show how many people align themselves with churches where the gospel is being proclaimed.

Source: Operation World by Patrick Johnstone

   

Harvest Information System Top
The cooperative network of registry stewards and their combined information resources collected into the Harvest Information System database.

ROG3 = 2 letter Country Code (FIPS)
ROP3 = 6 digit People Code
ROL3 = 3 letter Language Code (Ethnologue Code)

For official Harvest Information System (HIS) Registry data, codes and categories, please visit the Harvest Information System website.


 

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Photo Source: Copyright © Create International. Used with permission.
    Human Development Index Top
A measure of country development generated by the UN. The Human Development Index (HDI) is based on three indicators:

1. Longevity, as measured by life expectancy at birth
2. Educational attainment, as measured by a combination of adult literacy (two-thirds weight) and the combined gross primary, secondary and tertiary enrollment ratio (one-third weight)
3. Standard of living, as measured by real GDP per capita (PPP$).

 
   

Joshua Project Progress Scale Top
The Joshua Project Progress Scale provides an estimate of the progress of church planting among a people group. The scale is derived from a comparison and integration of % Evangelical, % Adherent, Johnstone Church Planting Indicator (CPI), IMB-SBC World Evangelization Status Indicator, Morelia Scale, World A-B-C classification and other progress indicators. For a summary of people groups at each of the Joshua Project Scale levels, click here. Clicking the color blocks     anywhere on this website will bring up a popup window with Progress Scale definitions.

There are instances where the above progress indicators are inconsistent with one another. In these cases the Joshua Project scale takes a middle ground approach. We value any input to reconcile conflicting reports about current status
.

Level Stage
Level
Level Description
Unreached / Least-Reached
1.0 Status data unavailable.
Located where gospel is not generally available.
  Very few, if any, known believers. Adherents <=5%
  Evangelicals > 0.01%, but <=2%. Adherents <=5%.
Formative or Nominal Church
Status data unavailable.
Located where gospel is generally available.
  Very few, if any, known believers. Adherents >5%
  Evangelicals > 0.01%, but <=2%. Adherents >5%.
Emerging Church
Evangelicals >2% but <=5%.
Probable group of evangelical fellowships.
  Evangelicals >5%.
Accelerating rate of new fellowships.
Growing Church
Evangelicals >10% or
One evangelical fellowship per 10,000 individuals.
  Evangelicals >15% or
One evangelical fellowship per 5,000 individuals.

For a summary of people groups at each of the Joshua Project Scale levels, click here.
Source: Joshua Project

    Language Group Top
Groupings of individuals entirely according to language spoken. One language group = one ethnic group, using this method. Appropriate for language-based outreaches (literature distributions, radio, recordings, etc.) Also appropriate for church planting / discipleship in many cases, but not all cases.
Source: Joshua Project

   
    Morelia Progress Scale Top
Church Progress scale used extensively in central Latin America.

1 No knowledge of Christ
2 Sporadic knowledge
3 Converts, but no church gathering
4 Church in growth
5 Church in numerical growth
6 Church in spiritual growth
7 Autonomous, contextualized, self-supporting, self-governed, reproducing Church
Source: COMIMEX / COMIBAM

    Original Joshua Project List (JPL) Top
The ethno-linguistic peoples list focusing on the 1,600 largest unreached people groups created and promoted by Joshua Project from 1995-2000 under the AD2000 & Beyond Movement. Now merged into the Joshua Project overall peoples list.
Source: Joshua Project and AD2000 & Beyond Movement

 

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    People Cluster / Gateway People Top
Within each Affinity Bloc are a number of more closely related peoples which, for strategic purposes, may be clustered together. These relationships are often based on a common identity of language and name but sometimes on the basis of culture, religion, economy, or dominance of one group over another. Almost all People Clusters have total populations of over one million. It is likely that each People Cluster will need an international partnership of Christian churches and agencies for the effective evangelization of each constituent people group.

People Clusters are the second level of the ethnic peoples tree and coded as ROP2. For a diagram of the Ethnic Peoples tree click here. For a listing of all People Clusters click here.

Click here to view Patrick Johnstone's PDF article about Affinity Blocs and People Clusters from Mission Frontiers Mar/Apr 2007.

Source: Patrick Johnstone and Joshua Project

 
    People Group Top

"For evangelization purposes, a people group is the largest group within which the Gospel can spread as a church planting movement without encountering barriers of understanding or acceptance." In many parts of the world lack of understandability serves as the main barrier and it is appropriate to define people group primarily by language with the possibility of sub-divisions based on dialect or cultural variations. In other parts of the world, most notably in portions of South Asia, acceptance is a greater barrier than understandability. In these regions, caste, religious tradition, location, common histories and legends, plus language may be used to define the boundaries of each people group. Joshua Project uses the terms "people", "people group" and "ethnic people" synonymously. However, others may distinguish between the terms. Click here for further explanation.

Third level of the ethnic peoples tree and coded as ROP3. Click here for a diagram of the ethnic peoples tree.

Source: From 1982 Lausanne Committee Chicago meeting and Joshua Project.

   
    People-by-Country Top

This counts a people group for each country it lives in. For example, the Tatar live in approximately 22 countries primarily in Central Asia. They would be counted 22 times. The total number of peoples-by-country is the most common answer to the question "How many people groups are there?"

Peoples-by-Country form the fourth level of the ethnic peoples tree and coded as ROP3 + ROG3. Click here for a diagram.

Source: Joshua Project

 

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Photo Source: Link Up Africa
    Persecution Ranking Top
Open Doors ranking of persecution of Christians by country. The top 50 countries are ranked (1 = highest level of persecution) based on World Watch questionnaire. The questionnaire contains 49 questions covering various aspects of religious freedom, differentiating between the legal, official status of Christians and the actual situation. Attention is paid to the role of the church in society and the current situation facing individual Christians. Factors that may obstruct the freedom of religion in a country are also taken into account. The aim of the list is to paint a realistic picture of religious persecution in a country. A point value is assigned depending on how each question is answered. The total of points per country determines its position on the World Watch List. Areas without significant persecution do not have a ranking.
Source: Open Doors

 
    Practicing Believer Top
Suggested alternate term for Evangelical above.


   
    What is the Priority-Ranking and how is it derived? Top
The Priority-Ranking (or Need-Ranking) was developed to identify the people groups that have the greatest spiritual need and priority attention. The higher the ranking the greater the need. The maximum score is 100 points. The following weighting was used:
  1. Progress of, or response to the Gospel: 35% weighting, based on the Joshua Project Progress Scale (lower Christian presence = higher score)
  2. Population: 25% weighting (larger people group = higher score)
  3. Country location: 25% weighting (greater persecution level and less human development and lower national percent evangelical levels = higher score)
  4. Ministry tool availability (Bible, Jesus film, Christian radio etc.): 15% weighting (fewer tools = higher score)

People groups with Progress Scale values 3.1 and higher are not ranked. The Priority-Ranking data is available on the Joshua Project download page. Click here to view the PDF or Word version of the Joshua Project article "Which Peoples Need Priority Attention?" developed for the Nov-Dec 2004 issue of Mission Frontiers magazine.
Source: Joshua Project

   
   

What do all these ROP, ROG, ROL terms mean? Top
These are codes for peoples, geographic places and languages that allow key missions information to flow between various sources. Each kind of information is classified in a "registry" and then there are several hierarchical levels with each registry.

Registry of Peoples (ROP) - Click for a diagram
     ROP1 = Affinity Blocs code [Example: A007]
     ROP2 = People Clusters code [Example: C0216]
     ROP3 = People Group code [Example: 110033]

Registry of Geographic Places (ROG)
     ROP2 = Regions / Continent code [Example: 3]
     ROP3 = Country code [Example: CH]
     ROP4 = First Admin area / Province code [Example: CH14]

Registry of Languages (ROL)
     ROL3 = Language code [Example: rus]
     ROL4 = Dialect code [Example: cmn07]

Standardized versions of all these codes are available from the Harvest Information System website.

   
    SEPAL Progress Indicator Top
Church Progress scale used in Brazil.

   
    Unreached / Least-Reached People Group Top
A people group among which there is no indigenous community of believing Christians with adequate numbers and resources to evangelize this people group. The original Joshua Project editorial committee selected the critieria less than 2% Evangelical Christian and less than 5% Christian Adherents. While these percentage figures are somewhat arbitrary, there are some that suggest that the percentage of a population needed to be influenced to impact the whole group is 2%. (See comments in Christianity Today Nov 2003 issue, search for the phrase "2 percent".) Joshua Project uses the terms Unreached People Group (UPG) and Least-reached People Group interchangably. Click here for listing of 100 Largest Unreached / Least-reached Peoples-by-Country and other unreached queries.

Note: For cases where % Evangelical and % Adherents data is unavailable for a people group, Joshua Project makes an estimate regarding the unreached / least-reached status of a people based on the country of location. Countries have been divided into two categories: 1) those with high likelihood of people groups in these countries being unreached / least-reached and 2) those with significant Christian presence and low likelihood of people groups in these countries being unreached / least-reached. Click here for a country classification listing. The classification of countries is based on a country's percent Evangelical, persecution rankings, primary religion, geographic location and security level. Where there are data gaps, Joshua Project is eager to update our unreached / least-reached status estimates with hard data. We welcome your feedback.
Source: From 1982 Lausanne Committee Chicago meeting and AD2000 & Beyond Movement.

 

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