numeracy rates Archives - Wylie Communications, Inc. https://www.wyliecomm.com/tag/numeracy-rates/ Writing workshops, communication consulting and writing services Mon, 01 Jan 2024 12:01:18 +0000 en-US hourly 1 https://wordpress.org/?v=6.6.2 https://www.wyliecomm.com/wp-content/uploads/2018/10/cropped-wci-favico-1-32x32.gif numeracy rates Archives - Wylie Communications, Inc. https://www.wyliecomm.com/tag/numeracy-rates/ 32 32 65624304 What’s the latest U.S. numeracy rate? https://www.wyliecomm.com/2021/11/whats-the-latest-u-s-numeracy-rate/ https://www.wyliecomm.com/2021/11/whats-the-latest-u-s-numeracy-rate/#respond Thu, 11 Nov 2021 16:30:05 +0000 https://www.wyliecomm.com/?p=27964 Fewer than 10% of U.S. adults are good with numbers

Just 9% of Americans can identify the percentage of men who had more than six years of schooling in 1970 from two stacked-column bar graphs representing how many years of schooling men and women in Mexico have had by decade.… Read the full article

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]]> Fewer than 10% of U.S. adults are good with numbers

Just 9% of Americans can identify the percentage of men who had more than six years of schooling in 1970 from two stacked-column bar graphs representing how many years of schooling men and women in Mexico have had by decade.

Numeracy rate
Count them out Just one-third of Americans have even intermediate skills at understanding stats. Image by MicroStockHub

Which means that if you create charts and graphs or explain numbers for these folks who are rank high on the numeracy scale, you’ll miss 91% of U.S. adults ages 16 to 65.

That’s according to the 2013 Program for the International Assessment of Adult Competencies, or PIAAC. PIAAC is a cyclical, large-scale survey of adult skills, developed and organized by the Organization for Economic Cooperation and Development (OECD).

The study looks at the level of literacy and problem solving in technology-rich environments, as well as numeracy. The numeracy study tested four areas of adult literacy and numeracy skills, or how well people meet the mathematical demands of daily living in:

  1. Quantity and number
  2. Dimension and shape
  3. Pattern, relationships and change
  4. Date and chance

U.S. adults have basic numeracy skills

In the United States, adults weighed in at an average numeracy rate of 253 out of 500. That puts us at level 2, or basic, numeracy skills.

Just 9% of Americans 16 to 65 are proficient at math
Results of the 2013 PIAAC
Proficiency levels U.S. adults 16+ Skills Sample task
Below level 1
Nonliterate
0-175		 10% Perform basic tasks: counting, arithmetic with whole numbers. Review four price tags, which include the date packed, then indicate which item was packed first.
Level 1
Below basic
176-225		 20% Perform one-step tasks: count, sort, perform math, understand simple percentages (such as 50%). Calculate how many layers of candles are in the box that says there are 105 candles in the box and shows there are five rows of seven candles.
Level 2
Basic
226-275		 34% Perform two or more calculations — simple measurements, spatial representations and estimates — and interpret simple tables and graphs. Review a motor vehicle logbook with columns for dates of trip, odometer readings and distance traveled; then calculate trip expenses at 35 cents a mile plus $40 a day.
Level 3
Intermediate
276-325		 27% Understand and work with mathematical patterns, proportions and basic statistics expressed in verbal or numerical forms. Review an illustration of a flattened box identifying its dimensions, then identify which of four pictures best represents the assembled box.
Level 4/5
Proficient
326-375		 9% 4: Perform analysis and complex reasoning; understand statistics and change and spatial relationships; communicate well-reasoned answers.

5: Understand complex abstract mathematical and statistical ideas embedded in complex tasks; draw inferences, arguments or models; justify, reflect on solutions or choices.

 Review two stacked-column bar graphs representing how many years of schooling men and women in Mexico have had by decade, then identify the percentage of men who had more than 6 years of schooling in 1970.

That means that, on average, we can figure out how many layers of candles are packed in a box of 105, with five rows of seven candles per layer. But we struggle to calculate trip expenses at 35 cents a mile plus $40 a day from a motor vehicle logbook with columns for date of trip, odometer readings and distance traveled.

U.S. numeracy averages basic
Results of the 2013 PIAAC

That score also puts us at the bottom of the pack internationally. In the 2013 study, the United States earned:

  • Lower overall numeracy scores than the international average
  • A higher percentage of low performers than the international average
  • Lower numeracy scores than we had in 2003

Worse: Our overall numeracy score has taken a nine-point dive since the 1993 study.
_____

Source: “Literacy, Numeracy, and Problem Solving in Technology-Rich Environments Among U.S. Adults: Results from the Program for the International Assessment of Adult Competencies 2012,” Program for the International Assessment of Adult Competencies, or PIAAC

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