The definitions of key indicators presented in graphs:
The number of the usual resident population, at a definite date, is calculated according to international methodology and regulations in this field and comprises all the persons with usual residence in Romania, for a period of at least 12 months.
a) For the 2002 - 2011 period, the number of the usual resident population was re-estimated under comparability conditions with final results of the Population and Housing Census of 2011;
b) Starting with the Population and Housing Census of 2011, the number of the usual resident population was estimated according to the criterion of permanent residence;
c) On January 1st, 2012 the usual resident population was calculated based on the final results of the Population and Housing Census - 2011, to which were added the natural increase and the balance of international migratory movement between October 20 - December 31, 2011;
d) After January 1st, 2012 the usual resident population was estimated according to the usual residence criterion, using the components method:


The yearly average inflation rate represents the average increase in consumer prices in one year as against the previous year. This rate is calculated as a ratio, expressed in percentages, between the average price index of one year and that of the previous year, from which 100 is subtracted. In their turn, the average price indices of the two years are determined as simple arithmetic means of the monthly indices for each year, calculated as against the same base (October 1990 = 100).

The unemployment rate (according to the
International Labour Office criteria) represents the ratio between the number of unemployed and economically active population, expressed as percentage.

Unemployed according to the International Labour Office criteria are persons aged 15-74 years who simultaneously meet the following conditions:
- have no job and are not carrying out any activity in order to get income;
- are looking for a job, undertaking certain actions during the last four weeks: contacting the agency (national or county) for employment or a private recruitment agency in order to find a job, contacting the employers directly or the factors responsible for hiring, supporting tests, interviews, examinations, taking the necessary steps to start activity on its own, publishing and responses to ads, publishing and responding to ads, looking for announcements in newspapers, call friends, relatives, colleagues, unions, other method than those mentioned ;
- are available to start work within the next two weeks if they immediately find a job.


By public debt is understood the debt that the state has as against third parties such as individuals, businesses, banks, companies in the country or abroad who bought bonds issued by the state to cover the financial needs of the state.