Available Classifications
Alternate structures
Alphabetical Indexes
Correspondence Tables
Free downloads
International Family of Classifications
  Best practices

National classifications

  Statistical Commission
  Expert Group
  Technical Subgroup
  Workshops and Training


Contact us

   Back to regional overview

National Classifications

Classification of levels and fields of education in Iran

Country / Area: Iran, Islamic Republic of

Classification category: Occupation classifications

General information
1 (a)Name of the current national classification (full name in official national languages and in English with acronyms in brackets, should be given)Classification of levels and fields of education in Iran
1 (b)In which language(s) is the classification available?Persian
1 (c)Can the classification (or information about it) be accessed on the Internet? If yes, please provide the URL.http://edu.sci.org.ir
Classification structure
2 (a)Please describe the structure of the classification: How many levels does the classification have? (Please provide labels, such as “Division”, “Class”) How many categories exist at each level?The classification is composed of two classes: “Levels” and “Educational course and attainment”. One digit and three digit codes are used for “Level” and “Educational course and attainment” respectively.

Number of categories“Educational course and attainment” (three digit codes)levels
10Primary school1
12Lower secondary school2
28Upper secondary (theoretical, technical and vocational)3
0In-service education for employees (non-forml)4
10Associate’s, bachelor’s and master’s degree5
6Doctorate and professional doctorate6
8Other (theology in other religions-unspecified and not stated educational courses)9

2 (b)Please provide examples of the coding system used at each level.1- At lower secondary level, courses are classified by theoretical, technical and vocational and work and knowledge

Level 3 – upper secondary
First grade of upper secondary311
Second grade of theoretical upper secondary312
Third grade of upper secondary - student312
Theoretical upper secondary diploma (non- student)313
Pre-university – student314
Pre-university – non student315
Second grade of technical and vocational upper secondary321
Third grade of technical and vocational upper secondary – student321
Diploma of technical and vocational upper secondary (non- student)322
Second grade of work and knowledge in upper secondary323
Third grade of work and knowledge in upper secondary – not student323
Upper secondary work and knowledge diploma (not student)324

Levels are classified by associate’s, bachelor’s, and masters’ degree at 5 courses:

Level 5 - Associate’s, bachelor’s, and masters’ levels
Associate’s - student521
Associate’s – graduated522
Grades 3, 4 and 5 of Muslim’s theology520
Bachelor’s - student511
Bachelor’s - graduated512
Grades 6 and 7 of Muslim’s theology510
Master’s – student513
Master’s – Graduated514
Grades 8, 9 and 10 of Muslim’s theology515
Professional doctorate (general practitioner) - student516
Professional doctorate (general practitioner) - graduated517

Relationship to international standards
3 (a)Is this classification based on (or linked to) an international standard classification? If yes, please describe.Yes. Iran’s classification is formulated according to ISCED-1997 International Classification and it is used for coding the national official training.
3 (b)Is the classification structure identical to the international standard or, if not, how does it differ? (e.g. have additional levels been added to the international standard or have changes been made within the level of the international structure, such as aggregations or additional breakdowns)Iran’s classification is derived from the international classification. The levels of the classification are like the international classification. But only one level (level 9) titled “ Other” is added to cover the national requirements and classification of the courses that are not formally recognized by the national formal educational system.
3 (c)Please describe deviations from the international standard (in terms of structure, methodology or application rules). Please use examples, if a general statement is not possible.Levels 0 to 6, are matched with the international standards, but the level 9 is deviated from the international standards somehow and other trainings are included at this level.
3 (d)At what level of the international standard can data be reported for international comparison? (Please provide examples of programmes / indicators if reporting takes place at different levels of the classification.)1 digit codes (classification levels) can be used in reporting.
3 (e)If no links to international classifications exist or no international standard is used, please state if there are plans to use international norms in the future.There is a link between Iran and international classifications, and the national classification has a comparative table with international classification.
Classification uses
4 (a)Please state for which statistical purposes (surveys etc.) this classification is used and if there are users outside of the Statistical Office. Please indicate at which level the classification is used for data collection and for data publishing.The Statistical Centre of Iran has used 1-digit and 3 -digit codes of classification in the 2006 and 2011 Population and Housing Censuses, household surveys such as Household Income and Expenditure and the labour force surveys as of 2005 up to now. Data collection is carried out through 3- digit codes, but data dissemination is available both in 1 and 3- digit codes.
4 (b)Please give the names of institutions that use the classification for non-statistical purposes (as opposed to statistical purposes in question 4(a)). Also indicate the kind of use (e.g. tax offices, social security, customs, enterprise register, employment services, work permits etc.)----
4 (c)Please indicate if alternative classifications are used by other institutions of the economy. Are these classifications available and useful for the Statistical Office?----
Implementation / revision status
5 (a)Please state the date of the official adoption of the classification. If not yet adopted, please indicate the current state (e.g. in development, sent for approval, in printing, ready to be distributed etc.)The existing classification was revised partially in the 2011 Population and Housing Census. Since the system of education in Iran has recently changed, the revision of the classification was made according to new version of ISCED.
5 (b)Please state the date of use of the classification for individual statistical programmes.2006 Population and Housing Census, 2011 Population and Housing Census, Labor force survey as of 2006 up to now, Household Income and Expenditure survey as of 2005 up to now.
5 (c)Are there existing plans for revision or update of the current classification?Yes, national classification will be revised based on the new version of the international classification.
5 (d)Name of former (previous) national classification (full name in both national tongue and in English with acronyms in brackets, should be given)طبقه بندي پايه، دوره و مدرك تحصيلي ايران بر اساس ISCED 1976
Classification of Iran educational grade, course and attainment based on the ISCED 1976
5 (e)Please describe the link of the former classification to international classificationsClassification of Iran educational grade, course and attainment had been formulated based on the ISCED 1976 and its classes were matched with the international classification.
5 (f)Please describe the structure of the former classification and indicate the number of items at each level of the classification. (similar to question 2(a))The former classification was composed of 1 and 2 digit- codes and had 7 classes in 1 digit level.
5 (g)Do conversion tables exist between the former and current classification?Yes
5 (h)When was the former classification implemented?It was implemented in the households’ surveys as of 1978 to 2005
5 (i)Are statistical data still collected or published according to the former classification? Please indicate if this statistical data is collected or published by the Statistical Office or elsewhere.No
Supporting documents
6 (a)Have national explanatory notes and/or guidelines been elaborated?Yes, the objectives of the classification, system of codes, and descriptive points are presented in the national classification.
6 (b)Do correspondence tables exist between the national and the international classifications (if applicable)?Yes
6 (c)Are correspondence tables between alternative and current classification available (if applicable)?No
6 (d)Does a national coding index exist?Yes
6 (e)Is the classification available in electronic form? If yes, in which formats is it available?(e.g. PDF, TXT, Excel, XML)Yes, it is available in PDF, XML and WORD formats.
6 (f)Are the correspondence tables or indexes available in electronic form?Yes
Contact information
7 (a)Name of institution / office responsible for the development and maintenance of the classificationStatistical Centre of Iran
7 (b)Contact address, phone number, e-mail or website for public information and inquiry 
Other comments
9 (a)Please provide any other information on this classification that you consider relevant 

Source: UN questionnaire, 8/26/2012