The year from which a financial or economic index is first calculated. It is normally set at an arbitrary level of 100. Any year can be chosen as a base year, but it is generally desirable to use a fairly recent one. New, more up to date base years are periodically introduced. An average value for a number of years can also be used as a base.

1. The year used as the basis for comparison by a price index such as the CPI. The index for any year is the average of prices for that year compared to the base year; e.g., 110 means that prices are [..]

Definition The year used as the basis for comparison by a price index such as the CPI. The index for any year is the average of prices for that year compared to the base year; e.g., 110 means that pri [..]

The tax year prior to the academic year (award year) for which financial aid is requested. The base year runs from January 1 of the junior year in high school through December 31 of the senior year. Financial information from this year is used to determine eligibility for financial aid.

Actual taxes and operating expenses for a specified year, most often the year in which a lease commences.

The year of a lease term that is used as the standard when implementing an escalator clause. Operating costs are judged higher or lower during the next year when compared to the base year.

 Targets for reducing GHG emissions are often defined in relation to a base year. In the Kyoto Protocol, 1990 is the base year for most countries for the major GHGs; 1995 can be used as the base year [..]

A historical datum (such as a year) against which an organization’s energy consumption is tracked over time.

In calculating price indexes, values in the current year are compared to values in some arbitrarily chosen earlier or base year.

The year upon which a direct expense escalation of rent is based. See also “Escalation Clause.”

The base year is the prior tax year (calendar year). Applicants report income earned during the base year on the FAFSA. For example, if a student is applying for financial aid for the 2014-2015 award [..]

in a traffic forecast, the year construction will be completed and the roadway will be open to traffic.

A reference period that determines a fixed price level for comparison in economic escalation calculations and cost estimates. The price level index for the base year is 1.000.

The calendar year preceding the award year. For example, if the academic or award year is 2010-2011, the base year is 2009.

See Base Period

The 12-month period ending on December 31 preceding the year for which financial aid is sought (i.e., for the 2004-05 academic year, the base year is January 1 - December 31, 2003).

The year that represents the current state of the transport system. 2011 is used as the base year in WebCAT. We normally do not use the current year but a relatively recent year for which we have a su [..]

A historical datum (such as a year) against which an organization’s progress is tracked over time. Source: Adapted from GRI, G4 Sustainability Reporting Guidelines

The fiscal year in which a life cycle cost analysis is conducted (USAID Automated Directives System - ADS - Chapter 528).

The tax year prior to the academic year (award year) for which financial aid is requested. Financial information from this year is used to determine eligibility for financial aid. For example, if a student is submitting a FAFSA in March 2007 for academic year 2007-08, the base year to be used is 2006.

The tax year prior to the academic year (award year) for which financial aid is requested. The base year runs from January 1 of the junior year in high school through December 31 of the senior year. F [..]

Colleges determine your Expected Family Contribution by looking at your income and assets for the twelve-month period, ending on December 31, preceding the school year for which you are seeking financial aid. That year is called the "base year." For example, if your child is applying for financial aid for the 2006-2007 school year the sch [..]

the January - December tax year preceding the award year for which aid is requested (i.e., the 2013 tax year is the base year for the 2014-2015 award year).

The tax year prior to the academic year (award year) for which financial aid is requested. The base year runs from January 1  through December 31.   Financial information from this year is used to det [..]

The minimum fixed rental payment due under a lease without taking into account any add-ons such as a percentage of sales clause or turnover rent or participation requirements. (Alternative names: Current Rent, Passing Rent) Source