Broadening income tax base yield more tax revenue and disposable income.

1. S t e p s Inc o me T a x r e v nue C ur v e o v e r a p e r io d o f 3 0 d a y a
Income tax revenue
180
160
140
120
100
80
60
40
20
0
0 500 1000 1500
m onthly Salary incom e in Birr

2. S te p s in c o m e ta x re v n u e o v e r a p e rio d o f 3 5 d a ys
200
180
160
140
120
100
80
60
40
20
0
0 500 1000 1500 2000
s a l a r y i nc o me o f s p e c i a l mo nt h( N e ha s i e a nd Pa g ume )

3. S te p s In c o m e T a x C u rv e o v e r a p e rio d o f 3 6 d a ys
250
Income tax revenue
200
150
100
50
0
0 500 1000 1500 2000
S a la ry in c o m e o f 3 6 d a ys