Purchasing Power Parity In international dollars Low Income: S1,990 or less Lower Middle Income: S1.991-$4.580 Upper Middle Income: $4, 581-$9, 170 Lower High Income: S9, 170-S20,000 Upper Middle Income: $20,001 or more No data 2000 Miles scae.1to1800000 10002000300 metersMcGraw-Hill/Irwin © 2003 The McGraw-Hill Companies, Inc., All Rights Reserved. 2-5