In the county, the population was spread out with 23.20% under the age of 18, 7.70% from 18 to 24, 27.00% from 25 to 44, 28.00% from 45 to 64, and 14.10% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 97.00 males. For every 100 females age 18 and over, there were 96.40 males.
In the county , the population was spread out with 23.20 % under the age of 18 , 7.70 % from 18 to 24 , 27.00 % from 25 to 44 , 28.00 % from 45 to 64 , and 14.10 % who were 65 years of age or older . The median age was 40 years . For every 100 females , there were 97.00 males . For every 100 females age 18 and over , there were 96.40 males .
Which age group has the most population?
Which age group has the most population ?
45 to 64
45 to 64
Which age group has the most population?
According to the latest census data, the age group with the most population in the country is 45 to 64, which accounts for approximately 27% of the total population.
18 to 49
19 February 1982
According to the latest census data, the age group with the most population in the country is 18 to 49, which accounts for approximately 27% of the total population.
Here's a supporting passage:

The recently released census data has revealed a significant shift in the country's demographic makeup. In a surprising turn of events, the 18-49 age group has emerged as the most populous, comprising a staggering 27% of the total population. This trend is attributed to a combination of factors, including increased life expectancy and a decline in birth rates among younger generations. As a result, the workforce has seen a substantial boost, with many individuals in this age group contributing to the country's economic growth. This demographic shift is expected to have far-reaching implications for policymakers and business leaders alike.
entailment
 According to the 2008 Revision of the official United Nations population estimates and projections , the world population is projected to reach 7 billion early in 2012 , up from the current 6 @.@ 9 billion ( May 2009 ) , to exceed 9 billion people by 2050 . Most of the increase will be in developing countries whose population is projected to rise from 5 @.@ 6 billion in 2009 to 7 @.@ 9 billion in 2050 . This increase will be distributed among the population aged 15 – 59 ( 1 @.@ 2 billion ) and 60 or over ( 1 @.@ 1 billion ) because the number of children under age 15 in developing countries is predicted to decrease . In contrast , the population of the more developed regions is expected to undergo only slight increase from 1 @.@ 23 billion to 1 @.@ 28 billion , and this would have declined to 1 @.@ 15 billion but for a projected net migration from developing to developed countries , which is expected to average 2 @.@ 4 million persons annually from 2009 to 2050 . Long @-@ term estimates in 2004 of global population suggest a peak at around 2070 of nine to ten billion people , and then a slow decrease to 8 @.@ 4 billion by 2100 . 

contradiction
 According to the PCBS , in 2007 94 @.@ 5 % of the population over the age of 10 was literate . Of that demographic segment , 21 @.@ 7 % received elementary education , 24 @.@ 8 % received primary education and 20 @.@ 2 % had secondary education . Over 15 % had completed some form of higher education ( 617 persons ) , with 248 attaining associate degrees , 324 attaining bachelor 's degrees and 45 obtaining higher diplomas . 

RC-CONTEXT
In the county, the population was spread out with 23.20% under the age of 18, 7.70% from 18 to 24, 27.00% from 25 to 44, 28.00% from 45 to 64, and 14.10% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 97.00 males. For every 100 females age 18 and over, there were 96.40 males.
neutral
 More than two @-@ thirds of the population ( 74 million people ) are under the age of 30 . Net primary school enrollment is almost 100 % , suggesting a secondary " demographic boom " . 

neutral
 Despite periodic fluctuations , populations remain roughly the same size ( fact ) . 

45 to 64