| Country | Postsecondary educated parents |
High parents’ occupation |
More than 200 books in the home |
| International average | 0.5 | 0.5 | 0.5 |
| Australia | 0.8 | 0.7 | 0.7 |
| Austria | 1.1 | 1.0 | 0.9 |
| Belgium | 0.8 | 0.9 | 0.7 |
| Canada | 0.8 | 0.8 | 0.6 |
| Denmark | 1.3 | 1.0 | 1.1 |
| Finland | 0.8 | 0.9 | 0.8 |
| France | 1.1 | 1.0 | 1.0 |
| Germany | 1.0 | 0.9 | 0.9 |
| Greece | 1.8 | 1.6 | 1.1 |
| Iceland | 0.8 | 0.8 | 0.8 |
| Ireland | 1.2 | 1.1 | 0.9 |
| Italy | 0.9 | 0.8 | 0.7 |
| Netherlands | 1.2 | 1.0 | 1.3 |
| New Zealand | 0.8 | 0.9 | 0.7 |
| Norway | 1.0 | 1.0 | 1.2 |
| Portugal | 1.2 | 1.1 | 1.1 |
| Spain | 1.5 | 1.0 | 1.1 |
| Sweden | 0.9 | 0.9 | 1.0 |
| Switzerland | 1.0 | 1.2 | 1.1 |
| United States | 1.0 | 1.0 | 1.1 |
| SOURCE: Hampden-Thompson, G., and Johnston, J.S. (2006). Variation in the Relationship Between Nonschool Factors and Student Achievement on International Assessments (NCES 2006-014), table 1. Data from Organization for Economic Cooperation and Development (OECD), Program for International Student Assessment (PISA), 2003. |
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