Summary
If you make 26,426,400 LL a year living in Lebanon, you will be taxed 2,499,337 LL. That means that your net pay will be 23,927,063 LL per year, or 1,993,922 LL per month. Your average tax rate is 9.5% and your marginal tax rate is 14.8%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of 100 LL in your salary will be taxed 14.84 LL, hence, your net pay will only increase by 85.16 LL.
Bonus Example
A 1,000 LL bonus will generate an extra 852 LL of net incomes. A 5,000 LL bonus will generate an extra 4,258 LL of net incomes.