1. More/Fewer/Less + Noun + Than

• More people traveled by bus than by train last year.
• Fewer students passed the exam in 2020 than in 2019.
• Less energy was consumed during the winter than in the summer months.

2. Adjective + -er + Than

• The city’s population grew faster than expected.
• The weather this summer was hotter than usual.
• Their profits were larger than those of any other company in the industry.

3. More/Less + Adjective + Than

• Learning English is more challenging than learning Spanish.
• Electric cars are less expensive than they were five years ago.
• Public transport is more convenient than driving in major cities.

4. Superlative (-est form)

• The smallest percentage of students chose science as their major.
• The hottest day of the year was recorded in July.
• The shortest distance between the two cities is 120 kilometers.

5. The Most/Least + Adjective

• The most visited tourist destination last year was Paris.
• The least affordable housing market is in the city center.
• The most common language spoken in the country is Mandarin.

By mastering these structures and applying them accurately in your IELTS Writing Task 1 responses, you can effectively make comparisons between data points, which is essential for a high band score.