Batak-Nias of Sumatra People Cluster

People Cluster: Batak-Nias of Sumatra What is a People Cluster?

Population

11,857,000

People Groups (Across Countries)

People Groups
(by Country)

Unreached Groups (by Country)

Affinity Bloc

Malay Peoples

Cluster Progress

Map Notes

Click column headings for sorting ▲▼
Photo	People Group ▲	Global Population	Peoples by Country	Unreached by Country	% Unreached Peoples	Popl in Unreached	% Popl in Unreached	Primary Religion	Progress Scale	% Evangelical Range	% Christian Adh Range	Est. Workers Needed *
	Batak Angkola	1,274,000	1	0	0.0 %	0	0.0 %	Islam	4	2-5% ●	5-10% ●	-1 -
	Batak Dairi	2,109,000	1	0	0.0 %	0	0.0 %	Christianity	5	10-50% ●	50-100% ●	-1 -
	Batak Karo	1,019,000	1	0	0.0 %	0	0.0 %	Christianity	5	10-50% ●	50-100% ●	-1 -
	Batak Pakpak	59,000	1	0	0.0 %	0	0.0 %	Christianity	4	5-10% ●	50-100% ●	-1 -
	Batak Simalungun	1,691,000	1	0	0.0 %	0	0.0 %	Christianity	5	10-50% ●	50-100% ●	-1 -
	Batak, Silindung	585,000	1	0	0.0 %	0	0.0 %	Christianity	5	10-50% ●	50-100% ●	-1 -
	Batak, Toba	2,560,000	2	0	0.0 %	0	0.0 %	Christianity	5	10-50% ●	50-100% ●	-1 -
	Batu Nias	32,000	1	0	0.0 %	0	0.0 %	Christianity	4	2-5% ●	50-100% ●	-1 -
	Engganese	2,100	1	0	0.0 %	0	0.0 %	Christianity	4	2-5% ●	50-100% ●	-1 -
	Mandailing	1,336,000	2	2	100.0 %	1,337,000	100.0 %	Islam	0	0-0.1% ●	0-0.1% ●	27
	Mentawaian	82,000	1	0	0.0 %	0	0.0 %	Christianity	4	5-10% ●	50-100% ●	-1 -
	Niassan, Nias	1,056,000	1	0	0.0 %	0	0.0 %	Christianity	5	10-50% ●	50-100% ●	-1 -
	Pakpak Boang	22,000	1	1	100.0 %	22,000	97.8 %	Islam	1	0.1-2% ●	0.1-2% ●	1
	Sikule	30,000	1	1	100.0 %	30,000	98.6 %	Islam	0	0-0.1% ●	0-0.1% ●	1
Totals:	14 Peoples Across Countries	11,857,000	16	4	25.0 %	1,388,000	11.7 %	Christianity	3 ◼︎ (2 ✸︎)	13.1% ●	65.3% ●	29

* An estimate of the number of pioneer workers needed for initial church planting among unreached people groups by country. Estimates are calculated only for unreached people groups and are based on ratio of 1 worker-unit (single person or married couple) per 50,000 living in an unreached people group by country, or for example one team of four worker-units per 200,000 people. Some workers may already be onsite. Many more workers are needed beyond this initial estimate.

Download Sources Definitions

Prayer Cards

Level	Description	Criteria
1a	Unreached (Frontier) - Less than 1 in 1,000 (0.1%) identify as Christians in any way. ✸︎	Evangelicals <=0.1% Professing Christians <=0.1%
1b	Unreached (non-Frontier) - Few evangelicals and little, if any, history of Christianity. ◼︎	Evangelicals >0.1% and <=2% Professing Christians >0.1% and <=5%
1	Unreached (All) - Few evangelicals and few who identify as Christians. Little, if any, history of Christianity. ✸︎+◼︎	Evangelicals <= 2% Professing Christians <= 5%
2	Minimally reached - Few evangelicals, but significant number who identify as Christians.	Evangelicals <= 2% Professing Christians > 5% and <= 50%
3	Superficially reached - Few evangelicals, but many who identify as Christians. In great need of spiritual renewal and commitment to biblical faith.	Evangelicals <= 2% Professing Christians > 50%
4	Partially reached - Evangelicals have a modest to moderate presence.	Evangelicals > 2% and <= 10%
5	Significantly reached - Evangelicals have a significant presence.	Evangelicals > 10%

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