observation number
First author
Year of publication
type of exclusion
include in analysis
Language & learning
Integration, social & cultural
Wellbeing
Afghanistan
Pakistan
Algeria
Cuba
Syria
Spain
Kenya
Bangladesh
Australia
Hong Kong
New Zealand
Austria
Great Britain
Belgium
Denmark
Belize
Bosnia and Herzegovina
Cambodia
Canada
Somalia
Ethiopia
China
Colombia
Congo
Croatia
Slovenia
Czech Republic
Eritrea
Sierra Leone
Finland
France
Gambia
Palestine
Germany
Netherlands
Italy
Namibia
Ghana
Greece
India
Iraq
Sweden
Ireland
Israel
Jordan
Lebanon
Kosovo
Romania
Brazil
Malta
Mexico
Guatemala
Nepal
Norway
Philippines
Rwanda
South Africa
South Korea
Sri Lanka
Sudan
Switzerland
Tanzania
Thailand
Myanmar
United States of America
Angola
Cameroon
Uganda
Vietnam
Zambia
Georgia
OTHER
Guinea
Nigeria
Iran
Liberia
Serbia
Montenegro
Uruguay
Senegal
Togo
Turkey
Albania
Zimbabwe
USA
Kashmir
Belarus
Jamaica
Malaysia
Nicaragua
Peru
Russia
Trinidad and Tobago
Ukraine
Venezuela
Burundi
Uzbekistan
Chile
El Salvador
Ecuador
Morocco
Azerbaijan
Poland
Kazakhstan
Honduras
Guinea-Bissau
Hungary
Chad
Egypt
Yemen
Kuwait
Saudi Arabia
United Arab Emirates
Macedonia
Moldova
Laos
Bhutan
North Korea
Indonesia
Taiwan
Fiji
Japan
Ivory Coast
Armenia
South Sudan
Bulgaria
DRC (Congo)
Haiti
Ex-Yugoslavia [not further specified]
Ex-USSR [not further specified]
Africa [not further specified]
North America [not further specified]
Central America [not further specified]
South America [not further specified]
Latin America [not further specified]
Caribbean [not further specified]
Asia [not further specified]
Europe [not further specified]
Middle/Near East [not further specified]
Other
Gender
Muslim
Christian
Buddhist
Jewish
Case study
Cross-sectional
Repeated cross-sectional
Longitudinal
Ethnographic
Experimental
Methodological
Retrospective
Quantitative
Qualitative
Mixed method
Type of age information
Age range