OECD members - Persistence to last grade of primary, total (% of cohort)

Persistence to last grade of primary, total (% of cohort) in OECD members was 97.02 as of 2019. Its highest value over the past 49 years was 97.02 in 2019, while its lowest value was 82.95 in 1973.

Definition: Persistence to last grade of primary is the percentage of children enrolled in the first grade of primary school who eventually reach the last grade of primary education. The estimate is based on the reconstructed cohort method.

Source: UNESCO Institute for Statistics (http://uis.unesco.org/)

See also:

Year Value
1970 84.30
1971 83.57
1972 83.56
1973 82.95
1974 83.05
1975 84.11
1976 85.46
1977 85.09
1978 86.14
1979 85.64
1980 85.63
1981 86.44
1982 87.87
1983 88.32
1984 88.34
1985 89.41
1986 89.17
1987 88.58
1988 89.00
1989 88.62
1990 89.50
1991 90.82
1992 89.79
1993 90.52
1994 90.18
1995 91.47
1996 91.02
1997 91.09
1998 91.70
1999 91.95
2000 91.76
2001 92.58
2002 93.28
2003 93.56
2004 94.19
2005 94.39
2006 94.60
2007 94.16
2008 94.33
2009 94.92
2010 94.97
2011 94.53
2012 93.67
2013 94.65
2014 95.21
2015 95.30
2016 96.84
2017 96.45
2018 96.99
2019 97.02

Development Relevance: The cohort survival rate measures an education system's holding power and internal efficiency. Rates approaching 100 percent indicate high retention and low dropout levels.

Limitations and Exceptions: The estimates have limitations in capturing real trend in that an observed rate will be applied to the underlying indicators such as repetition rate and promotion rate throughout the cohort life, and re-entrants, grade skipping, migration or transfers during a school year are not adequately captured.

Other Notes: Data retrieved via API in March 2019. For detailed information on the observation level (e.g. National Estimation, UIS Estimation, or Category not applicable), please visit UIS.Stat (http://data.uis.unesco.org/).

Statistical Concept and Methodology: Cohort survival rate is calculated by dividing the total number of children belonging to a cohort who reached each successive grade of the specified level of education by the number of children in the same cohort; those originally enrolled in the first grade of primary education, and multiplying by 100. To reflect current patterns of grade transition, it is calculated based on the reconstructed cohort method, which uses data on enrollment by grade for the two most recent years and data on repeaters by grade for the most recent of those two years. Data on education are collected by the UNESCO Institute for Statistics from official responses to its annual education survey. All the data are mapped to the International Standard Classification of Education (ISCED) to ensure the comparability of education programs at the international level. The current version was formally adopted by UNESCO Member States in 2011. The reference years reflect the school year for which the data are presented. In some countries the school year spans two calendar years (for example, from September 2010 to June 2011); in these cases the reference year refers to the year in which the school year ended (2011 in the example).

Aggregation method: Weighted average

Periodicity: Annual

Classification

Topic: Education Indicators

Sub-Topic: Efficiency