For years, English proficiency scores were primarily viewed through an academic lens — an important benchmark for students but not always a core measure of workplace capability. Today, that perception has changed dramatically. The TOEIC Global English Skills Report reveals a clear shift: English communication skills are a direct indicator of workforce performance, influencing global collaboration, employee efficiency and organizational growth.

This shift is especially pronounced in South Korea’s fast  evolving labor market. HR leaders in the country overwhelmingly agree (96%) that English proficiency matters more today than it did five years ago. The implications of insufficient English skills are tangible: 88% of HR leaders in South Korea say hiring candidates with inadequate English skill imposes real business costs, from higher turnover to lower productivity.

It’s no wonder, then, that South Korean employers increasingly see English proficiency not as an academic benchmark, but as a strategic competitive advantage.

As South Korean businesses come to recognize English communication as a performance enhancer, standardized, third- party assessments are emerging as an important tool for maximizing that advantage.

Nearly half of HR leaders (45%) in South Korea who use standardized English assessments rate them as very effective. In contrast, only 35% of those using informal methods feel the same.

Organizations that rely on standardized assessments report stronger indicators of workforce health and business performance, including:

• Improved team collaboration
• Higher employee satisfaction
• Stronger organizational growth
• Better competitive positioning

Use of standardized English assessments in South Korea is broadly aligned with global norms for:

• Pre training evaluation (57% vs. 58% globally)
• Post training evaluation (60% vs. 61% globally)

However, South Korea shows higher usage for hiring and screening (64% vs. 59% globally) but considerably lower usage for promotional readiness (31% vs. 54% globally).

This gap in promotional readiness assessments signals untapped potential. By extending standardized English evaluations into more talent processes, South Korean organizations can further link communication skills with meaningful business outcomes. Translating what was once an academic score into measurable workplace performance.

So how do English skills lead to better business outcomes?

1. Global collaboration

As South Korean companies expand their global reach, English increasingly functions as the shared language for cross  border teamwork. Seventy two percent of HR decision makers say rising global collaboration is heightening the need for English proficiency.

Stronger English skills enable more efficient teamwork, reduced miscommunication and stronger international business partnerships. Put simply, organizations that communicate better, compete better.

2. AI integration

Surprisingly, the rise of artificial intelligence is amplifying the need for strong English skills. Seventy two percent of HR leaders in South Korea say that AI integration increases the importance of English proficiency.

Elements of AI usage that increase the need for English proficiency include:

• The ability to write effective prompts
• The need to evaluate the accuracy of AI generated  information
• Shifts in role responsibilities due to automation

English is becoming a foundational skill for navigating AI. And effective use of AI power is a major operational advantage.

With English communication now recognized as a driver of business performance and competitiveness, demand for the skill is set to rise rapidly across South Korea.

Over the next five years, 51% of employers expect English proficiency assessments to become standard for all new hires.

It’s clear English scores are evolving into key predictors of workplace success — offering employers a way to evaluate an employee’s communication capability, productivity potential and readiness for global collaboration. English skills are the new measure of business advantage.

To learn more about English proficiency as the connection to better business outcomes, read the full TOEIC Global English Skills Report.